88890380

素因数分解:

$2^2\times 5^1\times {\mathrm{4444519}}^1$

素因数の和:4444528

約数の個数: 12

約数和(自身を含む): 186669840

約数和(自身を除く): 97779460

約数列:

[1, 2, 4, 5, 10, 20, 4444519, 8889038, 17778076, 22222595, 44445190, 88890380]

約数ペア:

[(1, 88890380), (2, 44445190), (4, 22222595), (5, 17778076), (10, 8889038), (20, 4444519)]