28805960

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{6373}}^1$

素因数の和:6497

約数の個数: 32

約数和(自身を含む): 65397240

約数和(自身を除く): 36591280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 6373, 12746, 25492, 31865, 50984, 63730, 127460, 254920, 720149, 1440298, 2880596, 3600745, 5761192, 7201490, 14402980, 28805960]

約数ペア:

[(1, 28805960), (2, 14402980), (4, 7201490), (5, 5761192), (8, 3600745), (10, 2880596), (20, 1440298), (40, 720149), (113, 254920), (226, 127460), (452, 63730), (565, 50984), (904, 31865), (1130, 25492), (2260, 12746), (4520, 6373)]