71491880

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{3877}}^1$

素因数の和:4349

約数の個数: 32

約数和(自身を含む): 161247240

約数和(自身を除く): 89755360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 922, 1844, 2305, 3688, 3877, 4610, 7754, 9220, 15508, 18440, 19385, 31016, 38770, 77540, 155080, 1787297, 3574594, 7149188, 8936485, 14298376, 17872970, 35745940, 71491880]

約数ペア:

[(1, 71491880), (2, 35745940), (4, 17872970), (5, 14298376), (8, 8936485), (10, 7149188), (20, 3574594), (40, 1787297), (461, 155080), (922, 77540), (1844, 38770), (2305, 31016), (3688, 19385), (3877, 18440), (4610, 15508), (7754, 9220)]