28568840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42013}}^1$

素因数の和:42041

約数の個数: 32

約数和(自身を含む): 68062680

約数和(自身を除く): 39493840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 42013, 84026, 168052, 210065, 336104, 420130, 714221, 840260, 1428442, 1680520, 2856884, 3571105, 5713768, 7142210, 14284420, 28568840]

約数ペア:

[(1, 28568840), (2, 14284420), (4, 7142210), (5, 5713768), (8, 3571105), (10, 2856884), (17, 1680520), (20, 1428442), (34, 840260), (40, 714221), (68, 420130), (85, 336104), (136, 210065), (170, 168052), (340, 84026), (680, 42013)]