10980280

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{991}}^1$

素因数の和:1279

約数の個数: 32

約数和(自身を含む): 24819840

約数和(自身を除く): 13839560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 991, 1108, 1385, 1982, 2216, 2770, 3964, 4955, 5540, 7928, 9910, 11080, 19820, 39640, 274507, 549014, 1098028, 1372535, 2196056, 2745070, 5490140, 10980280]

約数ペア:

[(1, 10980280), (2, 5490140), (4, 2745070), (5, 2196056), (8, 1372535), (10, 1098028), (20, 549014), (40, 274507), (277, 39640), (554, 19820), (991, 11080), (1108, 9910), (1385, 7928), (1982, 5540), (2216, 4955), (2770, 3964)]