2553160

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 64

約数和(自身を含む): 6220800

約数和(自身を除く): 3667640

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 71, 116, 124, 142, 145, 155, 232, 248, 284, 290, 310, 355, 568, 580, 620, 710, 899, 1160, 1240, 1420, 1798, 2059, 2201, 2840, 3596, 4118, 4402, 4495, 7192, 8236, 8804, 8990, 10295, 11005, 16472, 17608, 17980, 20590, 22010, 35960, 41180, 44020, 63829, 82360, 88040, 127658, 255316, 319145, 510632, 638290, 1276580, 2553160]

約数ペア:

[(1, 2553160), (2, 1276580), (4, 638290), (5, 510632), (8, 319145), (10, 255316), (20, 127658), (29, 88040), (31, 82360), (40, 63829), (58, 44020), (62, 41180), (71, 35960), (116, 22010), (124, 20590), (142, 17980), (145, 17608), (155, 16472), (232, 11005), (248, 10295), (284, 8990), (290, 8804), (310, 8236), (355, 7192), (568, 4495), (580, 4402), (620, 4118), (710, 3596), (899, 2840), (1160, 2201), (1240, 2059), (1420, 1798)]