90353240

素因数分解:

$2^3\times 5^1\times {\mathrm{2258831}}^1$

素因数の和:2258842

約数の個数: 16

約数和(自身を含む): 203294880

約数和(自身を除く): 112941640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2258831, 4517662, 9035324, 11294155, 18070648, 22588310, 45176620, 90353240]

約数ペア:

[(1, 90353240), (2, 45176620), (4, 22588310), (5, 18070648), (8, 11294155), (10, 9035324), (20, 4517662), (40, 2258831)]