65220340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79537}}^1$

素因数の和:79587

約数の個数: 24

約数和(自身を含む): 140305032

約数和(自身を除く): 75084692

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 79537, 159074, 318148, 397685, 795370, 1590740, 3261017, 6522034, 13044068, 16305085, 32610170, 65220340]

約数ペア:

[(1, 65220340), (2, 32610170), (4, 16305085), (5, 13044068), (10, 6522034), (20, 3261017), (41, 1590740), (82, 795370), (164, 397685), (205, 318148), (410, 159074), (820, 79537)]