421884080

素因数分解:

$2^4\times 5^1\times {\mathrm{401}}^1\times {\mathrm{13151}}^1$

素因数の和:13565

約数の個数: 40

約数和(自身を含む): 983401344

約数和(自身を除く): 561517264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 401, 802, 1604, 2005, 3208, 4010, 6416, 8020, 13151, 16040, 26302, 32080, 52604, 65755, 105208, 131510, 210416, 263020, 526040, 1052080, 5273551, 10547102, 21094204, 26367755, 42188408, 52735510, 84376816, 105471020, 210942040, 421884080]

約数ペア:

[(1, 421884080), (2, 210942040), (4, 105471020), (5, 84376816), (8, 52735510), (10, 42188408), (16, 26367755), (20, 21094204), (40, 10547102), (80, 5273551), (401, 1052080), (802, 526040), (1604, 263020), (2005, 210416), (3208, 131510), (4010, 105208), (6416, 65755), (8020, 52604), (13151, 32080), (16040, 26302)]