2872840

素因数分解:

$2^3\times 5^1\times {\mathrm{71821}}^1$

素因数の和:71832

約数の個数: 16

約数和(自身を含む): 6463980

約数和(自身を除く): 3591140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71821, 143642, 287284, 359105, 574568, 718210, 1436420, 2872840]

約数ペア:

[(1, 2872840), (2, 1436420), (4, 718210), (5, 574568), (8, 359105), (10, 287284), (20, 143642), (40, 71821)]