2080820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 5080320

約数和(自身を除く): 2999500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 167, 178, 334, 356, 445, 623, 668, 835, 890, 1169, 1246, 1670, 1780, 2338, 2492, 3115, 3340, 4676, 5845, 6230, 11690, 12460, 14863, 23380, 29726, 59452, 74315, 104041, 148630, 208082, 297260, 416164, 520205, 1040410, 2080820]

約数ペア:

[(1, 2080820), (2, 1040410), (4, 520205), (5, 416164), (7, 297260), (10, 208082), (14, 148630), (20, 104041), (28, 74315), (35, 59452), (70, 29726), (89, 23380), (140, 14863), (167, 12460), (178, 11690), (334, 6230), (356, 5845), (445, 4676), (623, 3340), (668, 3115), (835, 2492), (890, 2338), (1169, 1780), (1246, 1670)]