7780147220

素因数分解:

$2^2\times 5^1\times {\mathrm{5101}}^1\times {\mathrm{76261}}^1$

素因数の和:81371

約数の個数: 24

約数和(自身を含む): 16341726408

約数和(自身を除く): 8561579188

約数列:

[1, 2, 4, 5, 10, 20, 5101, 10202, 20404, 25505, 51010, 76261, 102020, 152522, 305044, 381305, 762610, 1525220, 389007361, 778014722, 1556029444, 1945036805, 3890073610, 7780147220]

約数ペア:

[(1, 7780147220), (2, 3890073610), (4, 1945036805), (5, 1556029444), (10, 778014722), (20, 389007361), (5101, 1525220), (10202, 762610), (20404, 381305), (25505, 305044), (51010, 152522), (76261, 102020)]