180745175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{4001}}^1$

素因数の和:4163

約数の個数: 24

約数和(自身を含む): 243161520

約数和(自身を除く): 62416345

約数列:

[1, 5, 13, 25, 65, 139, 325, 695, 1807, 3475, 4001, 9035, 20005, 45175, 52013, 100025, 260065, 556139, 1300325, 2780695, 7229807, 13903475, 36149035, 180745175]

約数ペア:

[(1, 180745175), (5, 36149035), (13, 13903475), (25, 7229807), (65, 2780695), (139, 1300325), (325, 556139), (695, 260065), (1807, 100025), (3475, 52013), (4001, 45175), (9035, 20005)]