9971120

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1103}}^1$

素因数の和:1229

約数の個数: 40

約数和(自身を含む): 23409216

約数和(自身を除く): 13438096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1103, 1130, 1808, 2206, 2260, 4412, 4520, 5515, 8824, 9040, 11030, 17648, 22060, 44120, 88240, 124639, 249278, 498556, 623195, 997112, 1246390, 1994224, 2492780, 4985560, 9971120]

約数ペア:

[(1, 9971120), (2, 4985560), (4, 2492780), (5, 1994224), (8, 1246390), (10, 997112), (16, 623195), (20, 498556), (40, 249278), (80, 124639), (113, 88240), (226, 44120), (452, 22060), (565, 17648), (904, 11030), (1103, 9040), (1130, 8824), (1808, 5515), (2206, 4520), (2260, 4412)]