2787320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4099}}^1$

素因数の和:4127

約数の個数: 32

約数和(自身を含む): 6642000

約数和(自身を除く): 3854680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 4099, 8198, 16396, 20495, 32792, 40990, 69683, 81980, 139366, 163960, 278732, 348415, 557464, 696830, 1393660, 2787320]

約数ペア:

[(1, 2787320), (2, 1393660), (4, 696830), (5, 557464), (8, 348415), (10, 278732), (17, 163960), (20, 139366), (34, 81980), (40, 69683), (68, 40990), (85, 32792), (136, 20495), (170, 16396), (340, 8198), (680, 4099)]