12040720

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2551}}^1$

素因数の和:2623

約数の個数: 40

約数和(自身を含む): 28480320

約数和(自身を除く): 16439600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 2551, 4720, 5102, 10204, 12755, 20408, 25510, 40816, 51020, 102040, 150509, 204080, 301018, 602036, 752545, 1204072, 1505090, 2408144, 3010180, 6020360, 12040720]

約数ペア:

[(1, 12040720), (2, 6020360), (4, 3010180), (5, 2408144), (8, 1505090), (10, 1204072), (16, 752545), (20, 602036), (40, 301018), (59, 204080), (80, 150509), (118, 102040), (236, 51020), (295, 40816), (472, 25510), (590, 20408), (944, 12755), (1180, 10204), (2360, 5102), (2551, 4720)]