60989980

素因数分解:

$2^2\times 5^1\times {\mathrm{1427}}^1\times {\mathrm{2137}}^1$

素因数の和:3573

約数の個数: 24

約数和(自身を含む): 128228688

約数和(自身を除く): 67238708

約数列:

[1, 2, 4, 5, 10, 20, 1427, 2137, 2854, 4274, 5708, 7135, 8548, 10685, 14270, 21370, 28540, 42740, 3049499, 6098998, 12197996, 15247495, 30494990, 60989980]

約数ペア:

[(1, 60989980), (2, 30494990), (4, 15247495), (5, 12197996), (10, 6098998), (20, 3049499), (1427, 42740), (2137, 28540), (2854, 21370), (4274, 14270), (5708, 10685), (7135, 8548)]