12541240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18443}}^1$

素因数の和:18471

約数の個数: 32

約数和(自身を含む): 29879280

約数和(自身を除く): 17338040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 18443, 36886, 73772, 92215, 147544, 184430, 313531, 368860, 627062, 737720, 1254124, 1567655, 2508248, 3135310, 6270620, 12541240]

約数ペア:

[(1, 12541240), (2, 6270620), (4, 3135310), (5, 2508248), (8, 1567655), (10, 1254124), (17, 737720), (20, 627062), (34, 368860), (40, 313531), (68, 184430), (85, 147544), (136, 92215), (170, 73772), (340, 36886), (680, 18443)]