51111280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^2$

素因数の和:506

約数の個数: 60

約数和(自身を含む): 130176936

約数和(自身を除く): 79065656

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 241, 440, 482, 880, 964, 1205, 1928, 2410, 2651, 3856, 4820, 5302, 9640, 10604, 13255, 19280, 21208, 26510, 42416, 53020, 58081, 106040, 116162, 212080, 232324, 290405, 464648, 580810, 638891, 929296, 1161620, 1277782, 2323240, 2555564, 3194455, 4646480, 5111128, 6388910, 10222256, 12777820, 25555640, 51111280]

約数ペア:

[(1, 51111280), (2, 25555640), (4, 12777820), (5, 10222256), (8, 6388910), (10, 5111128), (11, 4646480), (16, 3194455), (20, 2555564), (22, 2323240), (40, 1277782), (44, 1161620), (55, 929296), (80, 638891), (88, 580810), (110, 464648), (176, 290405), (220, 232324), (241, 212080), (440, 116162), (482, 106040), (880, 58081), (964, 53020), (1205, 42416), (1928, 26510), (2410, 21208), (2651, 19280), (3856, 13255), (4820, 10604), (5302, 9640)]