200731640

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{15161}}^1$

素因数の和:15503

約数の個数: 32

約数和(自身を含む): 453040560

約数和(自身を除く): 252308920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 6620, 13240, 15161, 30322, 60644, 75805, 121288, 151610, 303220, 606440, 5018291, 10036582, 20073164, 25091455, 40146328, 50182910, 100365820, 200731640]

約数ペア:

[(1, 200731640), (2, 100365820), (4, 50182910), (5, 40146328), (8, 25091455), (10, 20073164), (20, 10036582), (40, 5018291), (331, 606440), (662, 303220), (1324, 151610), (1655, 121288), (2648, 75805), (3310, 60644), (6620, 30322), (13240, 15161)]