11871640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{26981}}^1$

素因数の和:27003

約数の個数: 32

約数和(自身を含む): 29140560

約数和(自身を除く): 17268920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 26981, 53962, 107924, 134905, 215848, 269810, 296791, 539620, 593582, 1079240, 1187164, 1483955, 2374328, 2967910, 5935820, 11871640]

約数ペア:

[(1, 11871640), (2, 5935820), (4, 2967910), (5, 2374328), (8, 1483955), (10, 1187164), (11, 1079240), (20, 593582), (22, 539620), (40, 296791), (44, 269810), (55, 215848), (88, 134905), (110, 107924), (220, 53962), (440, 26981)]