90478040

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{13877}}^1$

素因数の和:14051

約数の個数: 32

約数和(自身を含む): 204839280

約数和(自身を除く): 114361240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 13877, 27754, 55508, 69385, 111016, 138770, 277540, 555080, 2261951, 4523902, 9047804, 11309755, 18095608, 22619510, 45239020, 90478040]

約数ペア:

[(1, 90478040), (2, 45239020), (4, 22619510), (5, 18095608), (8, 11309755), (10, 9047804), (20, 4523902), (40, 2261951), (163, 555080), (326, 277540), (652, 138770), (815, 111016), (1304, 69385), (1630, 55508), (3260, 27754), (6520, 13877)]