87499480

素因数分解:

$2^3\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{1777}}^1$

素因数の和:3019

約数の個数: 32

約数和(自身を含む): 197144640

約数和(自身を除く): 109645160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1231, 1777, 2462, 3554, 4924, 6155, 7108, 8885, 9848, 12310, 14216, 17770, 24620, 35540, 49240, 71080, 2187487, 4374974, 8749948, 10937435, 17499896, 21874870, 43749740, 87499480]

約数ペア:

[(1, 87499480), (2, 43749740), (4, 21874870), (5, 17499896), (8, 10937435), (10, 8749948), (20, 4374974), (40, 2187487), (1231, 71080), (1777, 49240), (2462, 35540), (3554, 24620), (4924, 17770), (6155, 14216), (7108, 12310), (8885, 9848)]