28948280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42571}}^1$

素因数の和:42599

約数の個数: 32

約数和(自身を含む): 68966640

約数和(自身を除く): 40018360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 42571, 85142, 170284, 212855, 340568, 425710, 723707, 851420, 1447414, 1702840, 2894828, 3618535, 5789656, 7237070, 14474140, 28948280]

約数ペア:

[(1, 28948280), (2, 14474140), (4, 7237070), (5, 5789656), (8, 3618535), (10, 2894828), (17, 1702840), (20, 1447414), (34, 851420), (40, 723707), (68, 425710), (85, 340568), (136, 212855), (170, 170284), (340, 85142), (680, 42571)]