71099920

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{3881}}^1$

素因数の和:4123

約数の個数: 40

約数和(自身を含む): 166071960

約数和(自身を除く): 94972040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1145, 1832, 2290, 3664, 3881, 4580, 7762, 9160, 15524, 18320, 19405, 31048, 38810, 62096, 77620, 155240, 310480, 888749, 1777498, 3554996, 4443745, 7109992, 8887490, 14219984, 17774980, 35549960, 71099920]

約数ペア:

[(1, 71099920), (2, 35549960), (4, 17774980), (5, 14219984), (8, 8887490), (10, 7109992), (16, 4443745), (20, 3554996), (40, 1777498), (80, 888749), (229, 310480), (458, 155240), (916, 77620), (1145, 62096), (1832, 38810), (2290, 31048), (3664, 19405), (3881, 18320), (4580, 15524), (7762, 9160)]