12972920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:332

約数の個数: 64

約数和(自身を含む): 31104000

約数和(自身を除く): 18131080

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 59, 92, 115, 118, 184, 230, 236, 239, 295, 460, 472, 478, 590, 920, 956, 1180, 1195, 1357, 1912, 2360, 2390, 2714, 4780, 5428, 5497, 6785, 9560, 10856, 10994, 13570, 14101, 21988, 27140, 27485, 28202, 43976, 54280, 54970, 56404, 70505, 109940, 112808, 141010, 219880, 282020, 324323, 564040, 648646, 1297292, 1621615, 2594584, 3243230, 6486460, 12972920]

約数ペア:

[(1, 12972920), (2, 6486460), (4, 3243230), (5, 2594584), (8, 1621615), (10, 1297292), (20, 648646), (23, 564040), (40, 324323), (46, 282020), (59, 219880), (92, 141010), (115, 112808), (118, 109940), (184, 70505), (230, 56404), (236, 54970), (239, 54280), (295, 43976), (460, 28202), (472, 27485), (478, 27140), (590, 21988), (920, 14101), (956, 13570), (1180, 10994), (1195, 10856), (1357, 9560), (1912, 6785), (2360, 5497), (2390, 5428), (2714, 4780)]