208523960

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{110917}}^1$

素因数の和:110975

約数の個数: 32

約数和(自身を含む): 479165760

約数和(自身を除く): 270641800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 110917, 221834, 443668, 554585, 887336, 1109170, 2218340, 4436680, 5213099, 10426198, 20852396, 26065495, 41704792, 52130990, 104261980, 208523960]

約数ペア:

[(1, 208523960), (2, 104261980), (4, 52130990), (5, 41704792), (8, 26065495), (10, 20852396), (20, 10426198), (40, 5213099), (47, 4436680), (94, 2218340), (188, 1109170), (235, 887336), (376, 554585), (470, 443668), (940, 221834), (1880, 110917)]