2021295280

素因数分解:

$2^4\times 5^1\times {\mathrm{1901}}^1\times {\mathrm{13291}}^1$

素因数の和:15205

約数の個数: 40

約数和(自身を含む): 4702337424

約数和(自身を除く): 2681042144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1901, 3802, 7604, 9505, 13291, 15208, 19010, 26582, 30416, 38020, 53164, 66455, 76040, 106328, 132910, 152080, 212656, 265820, 531640, 1063280, 25266191, 50532382, 101064764, 126330955, 202129528, 252661910, 404259056, 505323820, 1010647640, 2021295280]

約数ペア:

[(1, 2021295280), (2, 1010647640), (4, 505323820), (5, 404259056), (8, 252661910), (10, 202129528), (16, 126330955), (20, 101064764), (40, 50532382), (80, 25266191), (1901, 1063280), (3802, 531640), (7604, 265820), (9505, 212656), (13291, 152080), (15208, 132910), (19010, 106328), (26582, 76040), (30416, 66455), (38020, 53164)]