51079820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2939}}^1$

素因数の和:3038

約数の個数: 48

約数和(自身を含む): 118540800

約数和(自身を除く): 67460980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 2939, 3476, 4345, 5878, 8690, 11756, 14695, 17380, 29390, 32329, 58780, 64658, 129316, 161645, 232181, 323290, 464362, 646580, 928724, 1160905, 2321810, 2553991, 4643620, 5107982, 10215964, 12769955, 25539910, 51079820]

約数ペア:

[(1, 51079820), (2, 25539910), (4, 12769955), (5, 10215964), (10, 5107982), (11, 4643620), (20, 2553991), (22, 2321810), (44, 1160905), (55, 928724), (79, 646580), (110, 464362), (158, 323290), (220, 232181), (316, 161645), (395, 129316), (790, 64658), (869, 58780), (1580, 32329), (1738, 29390), (2939, 17380), (3476, 14695), (4345, 11756), (5878, 8690)]