2051267320

素因数分解:

$2^3\times 5^1\times {\mathrm{51281683}}^1$

素因数の和:51281694

約数の個数: 16

約数和(自身を含む): 4615351560

約数和(自身を除く): 2564084240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 51281683, 102563366, 205126732, 256408415, 410253464, 512816830, 1025633660, 2051267320]

約数ペア:

[(1, 2051267320), (2, 1025633660), (4, 512816830), (5, 410253464), (8, 256408415), (10, 205126732), (20, 102563366), (40, 51281683)]