200912920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{386371}}^1$

素因数の和:386395

約数の個数: 32

約数和(自身を含む): 486828720

約数和(自身を除く): 285915800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 386371, 772742, 1545484, 1931855, 3090968, 3863710, 5022823, 7727420, 10045646, 15454840, 20091292, 25114115, 40182584, 50228230, 100456460, 200912920]

約数ペア:

[(1, 200912920), (2, 100456460), (4, 50228230), (5, 40182584), (8, 25114115), (10, 20091292), (13, 15454840), (20, 10045646), (26, 7727420), (40, 5022823), (52, 3863710), (65, 3090968), (104, 1931855), (130, 1545484), (260, 772742), (520, 386371)]