79786870

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{1579}}^1$

素因数の和:1780

約数の個数: 32

約数和(自身を含む): 149253120

約数和(自身を除く): 69466250

約数列:

[1, 2, 5, 10, 31, 62, 155, 163, 310, 326, 815, 1579, 1630, 3158, 5053, 7895, 10106, 15790, 25265, 48949, 50530, 97898, 244745, 257377, 489490, 514754, 1286885, 2573770, 7978687, 15957374, 39893435, 79786870]

約数ペア:

[(1, 79786870), (2, 39893435), (5, 15957374), (10, 7978687), (31, 2573770), (62, 1286885), (155, 514754), (163, 489490), (310, 257377), (326, 244745), (815, 97898), (1579, 50530), (1630, 48949), (3158, 25265), (5053, 15790), (7895, 10106)]