139278320

素因数分解:

$2^4\times 5^1\times {\mathrm{571}}^1\times {\mathrm{3049}}^1$

素因数の和:3633

約数の個数: 40

約数和(自身を含む): 324495600

約数和(自身を除く): 185217280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 571, 1142, 2284, 2855, 3049, 4568, 5710, 6098, 9136, 11420, 12196, 15245, 22840, 24392, 30490, 45680, 48784, 60980, 121960, 243920, 1740979, 3481958, 6963916, 8704895, 13927832, 17409790, 27855664, 34819580, 69639160, 139278320]

約数ペア:

[(1, 139278320), (2, 69639160), (4, 34819580), (5, 27855664), (8, 17409790), (10, 13927832), (16, 8704895), (20, 6963916), (40, 3481958), (80, 1740979), (571, 243920), (1142, 121960), (2284, 60980), (2855, 48784), (3049, 45680), (4568, 30490), (5710, 24392), (6098, 22840), (9136, 15245), (11420, 12196)]