208183160

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{12979}}^1$

素因数の和:13391

約数の個数: 32

約数和(自身を含む): 469616400

約数和(自身を除く): 261433240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 8020, 12979, 16040, 25958, 51916, 64895, 103832, 129790, 259580, 519160, 5204579, 10409158, 20818316, 26022895, 41636632, 52045790, 104091580, 208183160]

約数ペア:

[(1, 208183160), (2, 104091580), (4, 52045790), (5, 41636632), (8, 26022895), (10, 20818316), (20, 10409158), (40, 5204579), (401, 519160), (802, 259580), (1604, 129790), (2005, 103832), (3208, 64895), (4010, 51916), (8020, 25958), (12979, 16040)]