3138440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2531}}^1$

素因数の和:2573

約数の個数: 32

約数和(自身を含む): 7292160

約数和(自身を除く): 4153720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 2531, 5062, 10124, 12655, 20248, 25310, 50620, 78461, 101240, 156922, 313844, 392305, 627688, 784610, 1569220, 3138440]

約数ペア:

[(1, 3138440), (2, 1569220), (4, 784610), (5, 627688), (8, 392305), (10, 313844), (20, 156922), (31, 101240), (40, 78461), (62, 50620), (124, 25310), (155, 20248), (248, 12655), (310, 10124), (620, 5062), (1240, 2531)]