2152720

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:463

約数の個数: 40

約数和(自身を含む): 5088960

約数和(自身を除く): 2936240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 379, 568, 710, 758, 1136, 1420, 1516, 1895, 2840, 3032, 3790, 5680, 6064, 7580, 15160, 26909, 30320, 53818, 107636, 134545, 215272, 269090, 430544, 538180, 1076360, 2152720]

約数ペア:

[(1, 2152720), (2, 1076360), (4, 538180), (5, 430544), (8, 269090), (10, 215272), (16, 134545), (20, 107636), (40, 53818), (71, 30320), (80, 26909), (142, 15160), (284, 7580), (355, 6064), (379, 5680), (568, 3790), (710, 3032), (758, 2840), (1136, 1895), (1420, 1516)]