328205800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{126233}}^1$

素因数の和:126262

約数の個数: 48

約数和(自身を含む): 821783340

約数和(自身を除く): 493577540

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 126233, 252466, 504932, 631165, 1009864, 1262330, 1641029, 2524660, 3155825, 3282058, 5049320, 6311650, 6564116, 8205145, 12623300, 13128232, 16410290, 25246600, 32820580, 41025725, 65641160, 82051450, 164102900, 328205800]

約数ペア:

[(1, 328205800), (2, 164102900), (4, 82051450), (5, 65641160), (8, 41025725), (10, 32820580), (13, 25246600), (20, 16410290), (25, 13128232), (26, 12623300), (40, 8205145), (50, 6564116), (52, 6311650), (65, 5049320), (100, 3282058), (104, 3155825), (130, 2524660), (200, 1641029), (260, 1262330), (325, 1009864), (520, 631165), (650, 504932), (1300, 252466), (2600, 126233)]