3964640

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:435

約数の個数: 48

約数和(自身を含む): 9525600

約数和(自身を除く): 5560960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 349, 355, 568, 698, 710, 1136, 1396, 1420, 1745, 2272, 2792, 2840, 3490, 5584, 5680, 6980, 11168, 11360, 13960, 24779, 27920, 49558, 55840, 99116, 123895, 198232, 247790, 396464, 495580, 792928, 991160, 1982320, 3964640]

約数ペア:

[(1, 3964640), (2, 1982320), (4, 991160), (5, 792928), (8, 495580), (10, 396464), (16, 247790), (20, 198232), (32, 123895), (40, 99116), (71, 55840), (80, 49558), (142, 27920), (160, 24779), (284, 13960), (349, 11360), (355, 11168), (568, 6980), (698, 5680), (710, 5584), (1136, 3490), (1396, 2840), (1420, 2792), (1745, 2272)]