12358520

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{607}}^1$

素因数の和:1127

約数の個数: 32

約数和(自身を含む): 27907200

約数和(自身を除く): 15548680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 607, 1018, 1214, 2036, 2428, 2545, 3035, 4072, 4856, 5090, 6070, 10180, 12140, 20360, 24280, 308963, 617926, 1235852, 1544815, 2471704, 3089630, 6179260, 12358520]

約数ペア:

[(1, 12358520), (2, 6179260), (4, 3089630), (5, 2471704), (8, 1544815), (10, 1235852), (20, 617926), (40, 308963), (509, 24280), (607, 20360), (1018, 12140), (1214, 10180), (2036, 6070), (2428, 5090), (2545, 4856), (3035, 4072)]