2221580

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{983}}^1$

素因数の和:1105

約数の個数: 24

約数和(自身を含む): 4711392

約数和(自身を除く): 2489812

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 983, 1130, 1966, 2260, 3932, 4915, 9830, 19660, 111079, 222158, 444316, 555395, 1110790, 2221580]

約数ペア:

[(1, 2221580), (2, 1110790), (4, 555395), (5, 444316), (10, 222158), (20, 111079), (113, 19660), (226, 9830), (452, 4915), (565, 3932), (983, 2260), (1130, 1966)]