90345040

素因数分解:

$2^4\times 5^1\times {\mathrm{1129313}}^1$

素因数の和:1129326

約数の個数: 20

約数和(自身を含む): 210052404

約数和(自身を除く): 119707364

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1129313, 2258626, 4517252, 5646565, 9034504, 11293130, 18069008, 22586260, 45172520, 90345040]

約数ペア:

[(1, 90345040), (2, 45172520), (4, 22586260), (5, 18069008), (8, 11293130), (10, 9034504), (16, 5646565), (20, 4517252), (40, 2258626), (80, 1129313)]