85872380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{3581}}^1$

素因数の和:3710

約数の個数: 48

約数和(自身を含む): 198586080

約数和(自身を除く): 112713700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 2180, 2398, 3581, 4796, 5995, 7162, 11990, 14324, 17905, 23980, 35810, 39391, 71620, 78782, 157564, 196955, 390329, 393910, 780658, 787820, 1561316, 1951645, 3903290, 4293619, 7806580, 8587238, 17174476, 21468095, 42936190, 85872380]

約数ペア:

[(1, 85872380), (2, 42936190), (4, 21468095), (5, 17174476), (10, 8587238), (11, 7806580), (20, 4293619), (22, 3903290), (44, 1951645), (55, 1561316), (109, 787820), (110, 780658), (218, 393910), (220, 390329), (436, 196955), (545, 157564), (1090, 78782), (1199, 71620), (2180, 39391), (2398, 35810), (3581, 23980), (4796, 17905), (5995, 14324), (7162, 11990)]