220123240

素因数分解:

$2^3\times 5^1\times {\mathrm{5503081}}^1$

素因数の和:5503092

約数の個数: 16

約数和(自身を含む): 495277380

約数和(自身を除く): 275154140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5503081, 11006162, 22012324, 27515405, 44024648, 55030810, 110061620, 220123240]

約数ペア:

[(1, 220123240), (2, 110061620), (4, 55030810), (5, 44024648), (8, 27515405), (10, 22012324), (20, 11006162), (40, 5503081)]