81112840

素因数分解:

$2^3\times 5^1\times {\mathrm{2027821}}^1$

素因数の和:2027832

約数の個数: 16

約数和(自身を含む): 182503980

約数和(自身を除く): 101391140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2027821, 4055642, 8111284, 10139105, 16222568, 20278210, 40556420, 81112840]

約数ペア:

[(1, 81112840), (2, 40556420), (4, 20278210), (5, 16222568), (8, 10139105), (10, 8111284), (20, 4055642), (40, 2027821)]