28629440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{12781}}^1$

素因数の和:12805

約数の個数: 56

約数和(自身を含む): 77919072

約数和(自身を除く): 49289632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 12781, 25562, 51124, 63905, 89467, 102248, 127810, 178934, 204496, 255620, 357868, 408992, 447335, 511240, 715736, 817984, 894670, 1022480, 1431472, 1789340, 2044960, 2862944, 3578680, 4089920, 5725888, 7157360, 14314720, 28629440]

約数ペア:

[(1, 28629440), (2, 14314720), (4, 7157360), (5, 5725888), (7, 4089920), (8, 3578680), (10, 2862944), (14, 2044960), (16, 1789340), (20, 1431472), (28, 1022480), (32, 894670), (35, 817984), (40, 715736), (56, 511240), (64, 447335), (70, 408992), (80, 357868), (112, 255620), (140, 204496), (160, 178934), (224, 127810), (280, 102248), (320, 89467), (448, 63905), (560, 51124), (1120, 25562), (2240, 12781)]