28302980

素因数分解:

$2^2\times 5^1\times {\mathrm{1103}}^1\times {\mathrm{1283}}^1$

素因数の和:2395

約数の個数: 24

約数和(自身を含む): 59536512

約数和(自身を除く): 31233532

約数列:

[1, 2, 4, 5, 10, 20, 1103, 1283, 2206, 2566, 4412, 5132, 5515, 6415, 11030, 12830, 22060, 25660, 1415149, 2830298, 5660596, 7075745, 14151490, 28302980]

約数ペア:

[(1, 28302980), (2, 14151490), (4, 7075745), (5, 5660596), (10, 2830298), (20, 1415149), (1103, 25660), (1283, 22060), (2206, 12830), (2566, 11030), (4412, 6415), (5132, 5515)]