4089520

素因数分解:

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

素因数の和:158

約数の個数: 80

約数和(自身を含む): 10499328

約数和(自身を除く): 6409808

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 97, 124, 136, 155, 170, 194, 248, 272, 310, 340, 388, 485, 496, 527, 620, 680, 776, 970, 1054, 1240, 1360, 1552, 1649, 1940, 2108, 2480, 2635, 3007, 3298, 3880, 4216, 5270, 6014, 6596, 7760, 8245, 8432, 10540, 12028, 13192, 15035, 16490, 21080, 24056, 26384, 30070, 32980, 42160, 48112, 51119, 60140, 65960, 102238, 120280, 131920, 204476, 240560, 255595, 408952, 511190, 817904, 1022380, 2044760, 4089520]

約数ペア:

[(1, 4089520), (2, 2044760), (4, 1022380), (5, 817904), (8, 511190), (10, 408952), (16, 255595), (17, 240560), (20, 204476), (31, 131920), (34, 120280), (40, 102238), (62, 65960), (68, 60140), (80, 51119), (85, 48112), (97, 42160), (124, 32980), (136, 30070), (155, 26384), (170, 24056), (194, 21080), (248, 16490), (272, 15035), (310, 13192), (340, 12028), (388, 10540), (485, 8432), (496, 8245), (527, 7760), (620, 6596), (680, 6014), (776, 5270), (970, 4216), (1054, 3880), (1240, 3298), (1360, 3007), (1552, 2635), (1649, 2480), (1940, 2108)]