2013221680

素因数分解:

$2^4\times 5^1\times {\mathrm{2179}}^1\times {\mathrm{11549}}^1$

素因数の和:13741

約数の個数: 40

約数和(自身を含む): 4683294000

約数和(自身を除く): 2670072320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2179, 4358, 8716, 10895, 11549, 17432, 21790, 23098, 34864, 43580, 46196, 57745, 87160, 92392, 115490, 174320, 184784, 230980, 461960, 923920, 25165271, 50330542, 100661084, 125826355, 201322168, 251652710, 402644336, 503305420, 1006610840, 2013221680]

約数ペア:

[(1, 2013221680), (2, 1006610840), (4, 503305420), (5, 402644336), (8, 251652710), (10, 201322168), (16, 125826355), (20, 100661084), (40, 50330542), (80, 25165271), (2179, 923920), (4358, 461960), (8716, 230980), (10895, 184784), (11549, 174320), (17432, 115490), (21790, 92392), (23098, 87160), (34864, 57745), (43580, 46196)]