205803650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{316621}}^1$

素因数の和:316646

約数の個数: 24

約数和(自身を含む): 412241844

約数和(自身を除く): 206438194

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 316621, 633242, 1583105, 3166210, 4116073, 7915525, 8232146, 15831050, 20580365, 41160730, 102901825, 205803650]

約数ペア:

[(1, 205803650), (2, 102901825), (5, 41160730), (10, 20580365), (13, 15831050), (25, 8232146), (26, 7915525), (50, 4116073), (65, 3166210), (130, 1583105), (325, 633242), (650, 316621)]