520023660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{666697}}^1$

素因数の和:666722

約数の個数: 48

約数和(自身を含む): 1568073696

約数和(自身を除く): 1048050036

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 666697, 1333394, 2000091, 2666788, 3333485, 4000182, 6666970, 8000364, 8667061, 10000455, 13333940, 17334122, 20000910, 26001183, 34668244, 40001820, 43335305, 52002366, 86670610, 104004732, 130005915, 173341220, 260011830, 520023660]

約数ペア:

[(1, 520023660), (2, 260011830), (3, 173341220), (4, 130005915), (5, 104004732), (6, 86670610), (10, 52002366), (12, 43335305), (13, 40001820), (15, 34668244), (20, 26001183), (26, 20000910), (30, 17334122), (39, 13333940), (52, 10000455), (60, 8667061), (65, 8000364), (78, 6666970), (130, 4000182), (156, 3333485), (195, 2666788), (260, 2000091), (390, 1333394), (780, 666697)]