64380820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{5167}}^1$

素因数の和:5272

約数の個数: 48

約数和(自身を含む): 156280320

約数和(自身を除く): 91899500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 5167, 6230, 10334, 12460, 20668, 25835, 36169, 51670, 72338, 103340, 144676, 180845, 361690, 459863, 723380, 919726, 1839452, 2299315, 3219041, 4598630, 6438082, 9197260, 12876164, 16095205, 32190410, 64380820]

約数ペア:

[(1, 64380820), (2, 32190410), (4, 16095205), (5, 12876164), (7, 9197260), (10, 6438082), (14, 4598630), (20, 3219041), (28, 2299315), (35, 1839452), (70, 919726), (89, 723380), (140, 459863), (178, 361690), (356, 180845), (445, 144676), (623, 103340), (890, 72338), (1246, 51670), (1780, 36169), (2492, 25835), (3115, 20668), (5167, 12460), (6230, 10334)]