10980440

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1301}}^1$

素因数の和:1523

約数の個数: 32

約数和(自身を含む): 24842160

約数和(自身を除く): 13861720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1301, 1688, 2110, 2602, 4220, 5204, 6505, 8440, 10408, 13010, 26020, 52040, 274511, 549022, 1098044, 1372555, 2196088, 2745110, 5490220, 10980440]

約数ペア:

[(1, 10980440), (2, 5490220), (4, 2745110), (5, 2196088), (8, 1372555), (10, 1098044), (20, 549022), (40, 274511), (211, 52040), (422, 26020), (844, 13010), (1055, 10408), (1301, 8440), (1688, 6505), (2110, 5204), (2602, 4220)]