72520045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{65629}}^1$

素因数の和:65664

約数の個数: 16

約数和(自身を含む): 99232560

約数和(自身を除く): 26712515

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 65629, 328145, 853177, 1115693, 4265885, 5578465, 14504009, 72520045]

約数ペア:

[(1, 72520045), (5, 14504009), (13, 5578465), (17, 4265885), (65, 1115693), (85, 853177), (221, 328145), (1105, 65629)]