2195560

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{419}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 4989600

約数和(自身を除く): 2794040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 419, 524, 655, 838, 1048, 1310, 1676, 2095, 2620, 3352, 4190, 5240, 8380, 16760, 54889, 109778, 219556, 274445, 439112, 548890, 1097780, 2195560]

約数ペア:

[(1, 2195560), (2, 1097780), (4, 548890), (5, 439112), (8, 274445), (10, 219556), (20, 109778), (40, 54889), (131, 16760), (262, 8380), (419, 5240), (524, 4190), (655, 3352), (838, 2620), (1048, 2095), (1310, 1676)]