31322360

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:392

約数の個数: 64

約数和(自身を含む): 73483200

約数和(自身を除く): 42160840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 71, 82, 142, 164, 205, 269, 284, 328, 355, 410, 538, 568, 710, 820, 1076, 1345, 1420, 1640, 2152, 2690, 2840, 2911, 5380, 5822, 10760, 11029, 11644, 14555, 19099, 22058, 23288, 29110, 38198, 44116, 55145, 58220, 76396, 88232, 95495, 110290, 116440, 152792, 190990, 220580, 381980, 441160, 763960, 783059, 1566118, 3132236, 3915295, 6264472, 7830590, 15661180, 31322360]

約数ペア:

[(1, 31322360), (2, 15661180), (4, 7830590), (5, 6264472), (8, 3915295), (10, 3132236), (20, 1566118), (40, 783059), (41, 763960), (71, 441160), (82, 381980), (142, 220580), (164, 190990), (205, 152792), (269, 116440), (284, 110290), (328, 95495), (355, 88232), (410, 76396), (538, 58220), (568, 55145), (710, 44116), (820, 38198), (1076, 29110), (1345, 23288), (1420, 22058), (1640, 19099), (2152, 14555), (2690, 11644), (2840, 11029), (2911, 10760), (5380, 5822)]