268308520

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{66413}}^1$

素因数の和:66525

約数の個数: 32

約数和(自身を含む): 609680520

約数和(自身を除く): 341372000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 66413, 132826, 265652, 332065, 531304, 664130, 1328260, 2656520, 6707713, 13415426, 26830852, 33538565, 53661704, 67077130, 134154260, 268308520]

約数ペア:

[(1, 268308520), (2, 134154260), (4, 67077130), (5, 53661704), (8, 33538565), (10, 26830852), (20, 13415426), (40, 6707713), (101, 2656520), (202, 1328260), (404, 664130), (505, 531304), (808, 332065), (1010, 265652), (2020, 132826), (4040, 66413)]