64649660

素因数分解:

$2^2\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{3191}}^1$

素因数の和:4213

約数の個数: 24

約数和(自身を含む): 135940896

約数和(自身を除く): 71291236

約数列:

[1, 2, 4, 5, 10, 20, 1013, 2026, 3191, 4052, 5065, 6382, 10130, 12764, 15955, 20260, 31910, 63820, 3232483, 6464966, 12929932, 16162415, 32324830, 64649660]

約数ペア:

[(1, 64649660), (2, 32324830), (4, 16162415), (5, 12929932), (10, 6464966), (20, 3232483), (1013, 63820), (2026, 31910), (3191, 20260), (4052, 15955), (5065, 12764), (6382, 10130)]