55157080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1871}}^1$

素因数の和:1960

約数の個数: 64

約数和(自身を含む): 137479680

約数和(自身を除く): 82322600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 220, 268, 335, 440, 536, 670, 737, 1340, 1474, 1871, 2680, 2948, 3685, 3742, 5896, 7370, 7484, 9355, 14740, 14968, 18710, 20581, 29480, 37420, 41162, 74840, 82324, 102905, 125357, 164648, 205810, 250714, 411620, 501428, 626785, 823240, 1002856, 1253570, 1378927, 2507140, 2757854, 5014280, 5515708, 6894635, 11031416, 13789270, 27578540, 55157080]

約数ペア:

[(1, 55157080), (2, 27578540), (4, 13789270), (5, 11031416), (8, 6894635), (10, 5515708), (11, 5014280), (20, 2757854), (22, 2507140), (40, 1378927), (44, 1253570), (55, 1002856), (67, 823240), (88, 626785), (110, 501428), (134, 411620), (220, 250714), (268, 205810), (335, 164648), (440, 125357), (536, 102905), (670, 82324), (737, 74840), (1340, 41162), (1474, 37420), (1871, 29480), (2680, 20581), (2948, 18710), (3685, 14968), (3742, 14740), (5896, 9355), (7370, 7484)]