55004540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1123}}^1$

素因数の和:1242

約数の個数: 48

約数和(自身を含む): 120852480

約数和(自身を除く): 65847940

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 310, 316, 395, 620, 790, 1123, 1580, 2246, 2449, 4492, 4898, 5615, 9796, 11230, 12245, 22460, 24490, 34813, 48980, 69626, 88717, 139252, 174065, 177434, 348130, 354868, 443585, 696260, 887170, 1774340, 2750227, 5500454, 11000908, 13751135, 27502270, 55004540]

約数ペア:

[(1, 55004540), (2, 27502270), (4, 13751135), (5, 11000908), (10, 5500454), (20, 2750227), (31, 1774340), (62, 887170), (79, 696260), (124, 443585), (155, 354868), (158, 348130), (310, 177434), (316, 174065), (395, 139252), (620, 88717), (790, 69626), (1123, 48980), (1580, 34813), (2246, 24490), (2449, 22460), (4492, 12245), (4898, 11230), (5615, 9796)]