13349240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5471}}^1$

素因数の和:5543

約数の個数: 32

約数和(自身を含む): 30533760

約数和(自身を除く): 17184520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 5471, 10942, 21884, 27355, 43768, 54710, 109420, 218840, 333731, 667462, 1334924, 1668655, 2669848, 3337310, 6674620, 13349240]

約数ペア:

[(1, 13349240), (2, 6674620), (4, 3337310), (5, 2669848), (8, 1668655), (10, 1334924), (20, 667462), (40, 333731), (61, 218840), (122, 109420), (244, 54710), (305, 43768), (488, 27355), (610, 21884), (1220, 10942), (2440, 5471)]