55764980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1063}}^1$

素因数の和:1176

約数の個数: 48

約数和(自身を含む): 121908864

約数和(自身を除く): 66143884

約数列:

[1, 2, 4, 5, 10, 20, 43, 61, 86, 122, 172, 215, 244, 305, 430, 610, 860, 1063, 1220, 2126, 2623, 4252, 5246, 5315, 10492, 10630, 13115, 21260, 26230, 45709, 52460, 64843, 91418, 129686, 182836, 228545, 259372, 324215, 457090, 648430, 914180, 1296860, 2788249, 5576498, 11152996, 13941245, 27882490, 55764980]

約数ペア:

[(1, 55764980), (2, 27882490), (4, 13941245), (5, 11152996), (10, 5576498), (20, 2788249), (43, 1296860), (61, 914180), (86, 648430), (122, 457090), (172, 324215), (215, 259372), (244, 228545), (305, 182836), (430, 129686), (610, 91418), (860, 64843), (1063, 52460), (1220, 45709), (2126, 26230), (2623, 21260), (4252, 13115), (5246, 10630), (5315, 10492)]