71496920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{162493}}^1$

素因数の和:162515

約数の個数: 32

約数和(自身を含む): 175493520

約数和(自身を除く): 103996600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 162493, 324986, 649972, 812465, 1299944, 1624930, 1787423, 3249860, 3574846, 6499720, 7149692, 8937115, 14299384, 17874230, 35748460, 71496920]

約数ペア:

[(1, 71496920), (2, 35748460), (4, 17874230), (5, 14299384), (8, 8937115), (10, 7149692), (11, 6499720), (20, 3574846), (22, 3249860), (40, 1787423), (44, 1624930), (55, 1299944), (88, 812465), (110, 649972), (220, 324986), (440, 162493)]