12516880

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1613}}^1$

素因数の和:1723

約数の個数: 40

約数和(自身を含む): 29419992

約数和(自身を除く): 16903112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1613, 1940, 3226, 3880, 6452, 7760, 8065, 12904, 16130, 25808, 32260, 64520, 129040, 156461, 312922, 625844, 782305, 1251688, 1564610, 2503376, 3129220, 6258440, 12516880]

約数ペア:

[(1, 12516880), (2, 6258440), (4, 3129220), (5, 2503376), (8, 1564610), (10, 1251688), (16, 782305), (20, 625844), (40, 312922), (80, 156461), (97, 129040), (194, 64520), (388, 32260), (485, 25808), (776, 16130), (970, 12904), (1552, 8065), (1613, 7760), (1940, 6452), (3226, 3880)]