12958480

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3767}}^1$

素因数の和:3823

約数の個数: 40

約数和(自身を含む): 30837312

約数和(自身を除く): 17878832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 3767, 7534, 15068, 18835, 30136, 37670, 60272, 75340, 150680, 161981, 301360, 323962, 647924, 809905, 1295848, 1619810, 2591696, 3239620, 6479240, 12958480]

約数ペア:

[(1, 12958480), (2, 6479240), (4, 3239620), (5, 2591696), (8, 1619810), (10, 1295848), (16, 809905), (20, 647924), (40, 323962), (43, 301360), (80, 161981), (86, 150680), (172, 75340), (215, 60272), (344, 37670), (430, 30136), (688, 18835), (860, 15068), (1720, 7534), (3440, 3767)]