51077240

素因数分解:

$2^3\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{1229}}^1$

素因数の和:2279

約数の個数: 32

約数和(自身を含む): 115128000

約数和(自身を除く): 64050760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1039, 1229, 2078, 2458, 4156, 4916, 5195, 6145, 8312, 9832, 10390, 12290, 20780, 24580, 41560, 49160, 1276931, 2553862, 5107724, 6384655, 10215448, 12769310, 25538620, 51077240]

約数ペア:

[(1, 51077240), (2, 25538620), (4, 12769310), (5, 10215448), (8, 6384655), (10, 5107724), (20, 2553862), (40, 1276931), (1039, 49160), (1229, 41560), (2078, 24580), (2458, 20780), (4156, 12290), (4916, 10390), (5195, 9832), (6145, 8312)]