12960520

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{709}}^1$

素因数の和:1177

約数の個数: 32

約数和(自身を含む): 29266200

約数和(自身を除く): 16305680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 709, 914, 1418, 1828, 2285, 2836, 3545, 3656, 4570, 5672, 7090, 9140, 14180, 18280, 28360, 324013, 648026, 1296052, 1620065, 2592104, 3240130, 6480260, 12960520]

約数ペア:

[(1, 12960520), (2, 6480260), (4, 3240130), (5, 2592104), (8, 1620065), (10, 1296052), (20, 648026), (40, 324013), (457, 28360), (709, 18280), (914, 14180), (1418, 9140), (1828, 7090), (2285, 5672), (2836, 4570), (3545, 3656)]