65080520

素因数分解:

$2^3\times 5^1\times {\mathrm{1627013}}^1$

素因数の和:1627024

約数の個数: 16

約数和(自身を含む): 146431260

約数和(自身を除く): 81350740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1627013, 3254026, 6508052, 8135065, 13016104, 16270130, 32540260, 65080520]

約数ペア:

[(1, 65080520), (2, 32540260), (4, 16270130), (5, 13016104), (8, 8135065), (10, 6508052), (20, 3254026), (40, 1627013)]