2921000560

素因数分解:

$2^4\times 5^1\times {\mathrm{1901}}^1\times {\mathrm{19207}}^1$

素因数の和:21121

約数の個数: 40

約数和(自身を含む): 6795252576

約数和(自身を除く): 3874252016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1901, 3802, 7604, 9505, 15208, 19010, 19207, 30416, 38020, 38414, 76040, 76828, 96035, 152080, 153656, 192070, 307312, 384140, 768280, 1536560, 36512507, 73025014, 146050028, 182562535, 292100056, 365125070, 584200112, 730250140, 1460500280, 2921000560]

約数ペア:

[(1, 2921000560), (2, 1460500280), (4, 730250140), (5, 584200112), (8, 365125070), (10, 292100056), (16, 182562535), (20, 146050028), (40, 73025014), (80, 36512507), (1901, 1536560), (3802, 768280), (7604, 384140), (9505, 307312), (15208, 192070), (19010, 153656), (19207, 152080), (30416, 96035), (38020, 76828), (38414, 76040)]