51996280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{797}}^1$

素因数の和:1048

約数の個数: 64

約数和(自身を含む): 134447040

約数和(自身を除く): 82450760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 233, 280, 466, 797, 932, 1165, 1594, 1631, 1864, 2330, 3188, 3262, 3985, 4660, 5579, 6376, 6524, 7970, 8155, 9320, 11158, 13048, 15940, 16310, 22316, 27895, 31880, 32620, 44632, 55790, 65240, 111580, 185701, 223160, 371402, 742804, 928505, 1299907, 1485608, 1857010, 2599814, 3714020, 5199628, 6499535, 7428040, 10399256, 12999070, 25998140, 51996280]

約数ペア:

[(1, 51996280), (2, 25998140), (4, 12999070), (5, 10399256), (7, 7428040), (8, 6499535), (10, 5199628), (14, 3714020), (20, 2599814), (28, 1857010), (35, 1485608), (40, 1299907), (56, 928505), (70, 742804), (140, 371402), (233, 223160), (280, 185701), (466, 111580), (797, 65240), (932, 55790), (1165, 44632), (1594, 32620), (1631, 31880), (1864, 27895), (2330, 22316), (3188, 16310), (3262, 15940), (3985, 13048), (4660, 11158), (5579, 9320), (6376, 8155), (6524, 7970)]