7138879240

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2259139}}^1$

素因数の和:2259229

約数の個数: 32

約数和(自身を含む): 16265808000

約数和(自身を除く): 9126928760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 2259139, 4518278, 9036556, 11295695, 18073112, 22591390, 45182780, 90365560, 178471981, 356943962, 713887924, 892359905, 1427775848, 1784719810, 3569439620, 7138879240]

約数ペア:

[(1, 7138879240), (2, 3569439620), (4, 1784719810), (5, 1427775848), (8, 892359905), (10, 713887924), (20, 356943962), (40, 178471981), (79, 90365560), (158, 45182780), (316, 22591390), (395, 18073112), (632, 11295695), (790, 9036556), (1580, 4518278), (3160, 2259139)]