90956680

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{32027}}^1$

素因数の和:32109

約数の個数: 32

約数和(自身を含む): 207541440

約数和(自身を除く): 116584760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 32027, 64054, 128108, 160135, 256216, 320270, 640540, 1281080, 2273917, 4547834, 9095668, 11369585, 18191336, 22739170, 45478340, 90956680]

約数ペア:

[(1, 90956680), (2, 45478340), (4, 22739170), (5, 18191336), (8, 11369585), (10, 9095668), (20, 4547834), (40, 2273917), (71, 1281080), (142, 640540), (284, 320270), (355, 256216), (568, 160135), (710, 128108), (1420, 64054), (2840, 32027)]