64653320

素因数分解:

$2^3\times 5^1\times {\mathrm{463}}^1\times {\mathrm{3491}}^1$

素因数の和:3965

約数の個数: 32

約数和(自身を含む): 145825920

約数和(自身を除く): 81172600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 463, 926, 1852, 2315, 3491, 3704, 4630, 6982, 9260, 13964, 17455, 18520, 27928, 34910, 69820, 139640, 1616333, 3232666, 6465332, 8081665, 12930664, 16163330, 32326660, 64653320]

約数ペア:

[(1, 64653320), (2, 32326660), (4, 16163330), (5, 12930664), (8, 8081665), (10, 6465332), (20, 3232666), (40, 1616333), (463, 139640), (926, 69820), (1852, 34910), (2315, 27928), (3491, 18520), (3704, 17455), (4630, 13964), (6982, 9260)]