202280440

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{12611}}^1$

素因数の和:13023

約数の個数: 32

約数和(自身を含む): 456302160

約数和(自身を除く): 254021720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 8020, 12611, 16040, 25222, 50444, 63055, 100888, 126110, 252220, 504440, 5057011, 10114022, 20228044, 25285055, 40456088, 50570110, 101140220, 202280440]

約数ペア:

[(1, 202280440), (2, 101140220), (4, 50570110), (5, 40456088), (8, 25285055), (10, 20228044), (20, 10114022), (40, 5057011), (401, 504440), (802, 252220), (1604, 126110), (2005, 100888), (3208, 63055), (4010, 50444), (8020, 25222), (12611, 16040)]