85890205540

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1\times {\mathrm{53407}}^1$

素因数の和:54028

約数の個数: 48

約数和(自身を含む): 181747851264

約数和(自身を除く): 95857645724

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 421, 764, 842, 955, 1684, 1910, 2105, 3820, 4210, 8420, 53407, 80411, 106814, 160822, 213628, 267035, 321644, 402055, 534070, 804110, 1068140, 1608220, 10200737, 20401474, 22484347, 40802948, 44968694, 51003685, 89937388, 102007370, 112421735, 204014740, 224843470, 449686940, 4294510277, 8589020554, 17178041108, 21472551385, 42945102770, 85890205540]

約数ペア:

[(1, 85890205540), (2, 42945102770), (4, 21472551385), (5, 17178041108), (10, 8589020554), (20, 4294510277), (191, 449686940), (382, 224843470), (421, 204014740), (764, 112421735), (842, 102007370), (955, 89937388), (1684, 51003685), (1910, 44968694), (2105, 40802948), (3820, 22484347), (4210, 20401474), (8420, 10200737), (53407, 1608220), (80411, 1068140), (106814, 804110), (160822, 534070), (213628, 402055), (267035, 321644)]