12480680

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{613}}^1$

素因数の和:1133

約数の個数: 32

約数和(自身を含む): 28182600

約数和(自身を除く): 15701920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 613, 1018, 1226, 2036, 2452, 2545, 3065, 4072, 4904, 5090, 6130, 10180, 12260, 20360, 24520, 312017, 624034, 1248068, 1560085, 2496136, 3120170, 6240340, 12480680]

約数ペア:

[(1, 12480680), (2, 6240340), (4, 3120170), (5, 2496136), (8, 1560085), (10, 1248068), (20, 624034), (40, 312017), (509, 24520), (613, 20360), (1018, 12260), (1226, 10180), (2036, 6130), (2452, 5090), (2545, 4904), (3065, 4072)]