2020578640

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{414053}}^1$

素因数の和:414127

約数の個数: 40

約数和(自身を含む): 4774870728

約数和(自身を除く): 2754292088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 414053, 828106, 1656212, 2070265, 3312424, 4140530, 6624848, 8281060, 16562120, 25257233, 33124240, 50514466, 101028932, 126286165, 202057864, 252572330, 404115728, 505144660, 1010289320, 2020578640]

約数ペア:

[(1, 2020578640), (2, 1010289320), (4, 505144660), (5, 404115728), (8, 252572330), (10, 202057864), (16, 126286165), (20, 101028932), (40, 50514466), (61, 33124240), (80, 25257233), (122, 16562120), (244, 8281060), (305, 6624848), (488, 4140530), (610, 3312424), (976, 2070265), (1220, 1656212), (2440, 828106), (4880, 414053)]