520020860

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{78553}}^1$

素因数の和:78893

約数の個数: 24

約数和(自身を含む): 1095356976

約数和(自身を除く): 575336116

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6620, 78553, 157106, 314212, 392765, 785530, 1571060, 26001043, 52002086, 104004172, 130005215, 260010430, 520020860]

約数ペア:

[(1, 520020860), (2, 260010430), (4, 130005215), (5, 104004172), (10, 52002086), (20, 26001043), (331, 1571060), (662, 785530), (1324, 392765), (1655, 314212), (3310, 157106), (6620, 78553)]