74811980

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{5659}}^1$

素因数の和:6329

約数の個数: 24

約数和(自身を含む): 157370640

約数和(自身を除く): 82558660

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 2644, 3305, 5659, 6610, 11318, 13220, 22636, 28295, 56590, 113180, 3740599, 7481198, 14962396, 18702995, 37405990, 74811980]

約数ペア:

[(1, 74811980), (2, 37405990), (4, 18702995), (5, 14962396), (10, 7481198), (20, 3740599), (661, 113180), (1322, 56590), (2644, 28295), (3305, 22636), (5659, 13220), (6610, 11318)]