39697450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1$

素因数の和:571

約数の個数: 48

約数和(自身を含む): 80229240

約数和(自身を除く): 40531790

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 157, 314, 325, 389, 650, 778, 785, 1570, 1945, 2041, 3890, 3925, 4082, 5057, 7850, 9725, 10114, 10205, 19450, 20410, 25285, 50570, 51025, 61073, 102050, 122146, 126425, 252850, 305365, 610730, 793949, 1526825, 1587898, 3053650, 3969745, 7939490, 19848725, 39697450]

約数ペア:

[(1, 39697450), (2, 19848725), (5, 7939490), (10, 3969745), (13, 3053650), (25, 1587898), (26, 1526825), (50, 793949), (65, 610730), (130, 305365), (157, 252850), (314, 126425), (325, 122146), (389, 102050), (650, 61073), (778, 51025), (785, 50570), (1570, 25285), (1945, 20410), (2041, 19450), (3890, 10205), (3925, 10114), (4082, 9725), (5057, 7850)]