28626640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:165

約数の個数: 160

約数和(自身を含む): 83994624

約数和(自身を除く): 55367984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 34, 35, 40, 56, 62, 68, 70, 80, 85, 97, 112, 119, 124, 136, 140, 155, 170, 194, 217, 238, 248, 272, 280, 310, 340, 388, 434, 476, 485, 496, 527, 560, 595, 620, 679, 680, 776, 868, 952, 970, 1054, 1085, 1190, 1240, 1358, 1360, 1552, 1649, 1736, 1904, 1940, 2108, 2170, 2380, 2480, 2635, 2716, 3007, 3298, 3395, 3472, 3689, 3880, 4216, 4340, 4760, 5270, 5432, 6014, 6596, 6790, 7378, 7760, 8245, 8432, 8680, 9520, 10540, 10864, 11543, 12028, 13192, 13580, 14756, 15035, 16490, 17360, 18445, 21049, 21080, 23086, 24056, 26384, 27160, 29512, 30070, 32980, 36890, 42098, 42160, 46172, 48112, 51119, 54320, 57715, 59024, 60140, 65960, 73780, 84196, 92344, 102238, 105245, 115430, 120280, 131920, 147560, 168392, 184688, 204476, 210490, 230860, 240560, 255595, 295120, 336784, 357833, 408952, 420980, 461720, 511190, 715666, 817904, 841960, 923440, 1022380, 1431332, 1683920, 1789165, 2044760, 2862664, 3578330, 4089520, 5725328, 7156660, 14313320, 28626640]

約数ペア:

[(1, 28626640), (2, 14313320), (4, 7156660), (5, 5725328), (7, 4089520), (8, 3578330), (10, 2862664), (14, 2044760), (16, 1789165), (17, 1683920), (20, 1431332), (28, 1022380), (31, 923440), (34, 841960), (35, 817904), (40, 715666), (56, 511190), (62, 461720), (68, 420980), (70, 408952), (80, 357833), (85, 336784), (97, 295120), (112, 255595), (119, 240560), (124, 230860), (136, 210490), (140, 204476), (155, 184688), (170, 168392), (194, 147560), (217, 131920), (238, 120280), (248, 115430), (272, 105245), (280, 102238), (310, 92344), (340, 84196), (388, 73780), (434, 65960), (476, 60140), (485, 59024), (496, 57715), (527, 54320), (560, 51119), (595, 48112), (620, 46172), (679, 42160), (680, 42098), (776, 36890), (868, 32980), (952, 30070), (970, 29512), (1054, 27160), (1085, 26384), (1190, 24056), (1240, 23086), (1358, 21080), (1360, 21049), (1552, 18445), (1649, 17360), (1736, 16490), (1904, 15035), (1940, 14756), (2108, 13580), (2170, 13192), (2380, 12028), (2480, 11543), (2635, 10864), (2716, 10540), (3007, 9520), (3298, 8680), (3395, 8432), (3472, 8245), (3689, 7760), (3880, 7378), (4216, 6790), (4340, 6596), (4760, 6014), (5270, 5432)]