91041250

素因数分解:

$2^1\times 5^4\times {\mathrm{173}}^1\times {\mathrm{421}}^1$

素因数の和:616

約数の個数: 40

約数和(自身を含む): 172041804

約数和(自身を除く): 81000554

約数列:

[1, 2, 5, 10, 25, 50, 125, 173, 250, 346, 421, 625, 842, 865, 1250, 1730, 2105, 4210, 4325, 8650, 10525, 21050, 21625, 43250, 52625, 72833, 105250, 108125, 145666, 216250, 263125, 364165, 526250, 728330, 1820825, 3641650, 9104125, 18208250, 45520625, 91041250]

約数ペア:

[(1, 91041250), (2, 45520625), (5, 18208250), (10, 9104125), (25, 3641650), (50, 1820825), (125, 728330), (173, 526250), (250, 364165), (346, 263125), (421, 216250), (625, 145666), (842, 108125), (865, 105250), (1250, 72833), (1730, 52625), (2105, 43250), (4210, 21625), (4325, 21050), (8650, 10525)]