26413240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 74649600

約数和(自身を除く): 48236360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 31, 34, 35, 40, 56, 62, 68, 70, 85, 119, 124, 136, 140, 155, 170, 179, 217, 238, 248, 280, 310, 340, 358, 434, 476, 527, 595, 620, 680, 716, 868, 895, 952, 1054, 1085, 1190, 1240, 1253, 1432, 1736, 1790, 2108, 2170, 2380, 2506, 2635, 3043, 3580, 3689, 4216, 4340, 4760, 5012, 5270, 5549, 6086, 6265, 7160, 7378, 8680, 10024, 10540, 11098, 12172, 12530, 14756, 15215, 18445, 21080, 21301, 22196, 24344, 25060, 27745, 29512, 30430, 36890, 38843, 42602, 44392, 50120, 55490, 60860, 73780, 77686, 85204, 94333, 106505, 110980, 121720, 147560, 155372, 170408, 188666, 194215, 213010, 221960, 310744, 377332, 388430, 426020, 471665, 660331, 754664, 776860, 852040, 943330, 1320662, 1553720, 1886660, 2641324, 3301655, 3773320, 5282648, 6603310, 13206620, 26413240]

約数ペア:

[(1, 26413240), (2, 13206620), (4, 6603310), (5, 5282648), (7, 3773320), (8, 3301655), (10, 2641324), (14, 1886660), (17, 1553720), (20, 1320662), (28, 943330), (31, 852040), (34, 776860), (35, 754664), (40, 660331), (56, 471665), (62, 426020), (68, 388430), (70, 377332), (85, 310744), (119, 221960), (124, 213010), (136, 194215), (140, 188666), (155, 170408), (170, 155372), (179, 147560), (217, 121720), (238, 110980), (248, 106505), (280, 94333), (310, 85204), (340, 77686), (358, 73780), (434, 60860), (476, 55490), (527, 50120), (595, 44392), (620, 42602), (680, 38843), (716, 36890), (868, 30430), (895, 29512), (952, 27745), (1054, 25060), (1085, 24344), (1190, 22196), (1240, 21301), (1253, 21080), (1432, 18445), (1736, 15215), (1790, 14756), (2108, 12530), (2170, 12172), (2380, 11098), (2506, 10540), (2635, 10024), (3043, 8680), (3580, 7378), (3689, 7160), (4216, 6265), (4340, 6086), (4760, 5549), (5012, 5270)]