6412720

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1129}}^1$

素因数の和:1213

約数の個数: 40

約数和(自身を含む): 15132960

約数和(自身を除く): 8720240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1129, 1136, 1420, 2258, 2840, 4516, 5645, 5680, 9032, 11290, 18064, 22580, 45160, 80159, 90320, 160318, 320636, 400795, 641272, 801590, 1282544, 1603180, 3206360, 6412720]

約数ペア:

[(1, 6412720), (2, 3206360), (4, 1603180), (5, 1282544), (8, 801590), (10, 641272), (16, 400795), (20, 320636), (40, 160318), (71, 90320), (80, 80159), (142, 45160), (284, 22580), (355, 18064), (568, 11290), (710, 9032), (1129, 5680), (1136, 5645), (1420, 4516), (2258, 2840)]