90956560

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{11257}}^1$

素因数の和:11371

約数の個数: 40

約数和(自身を含む): 213586776

約数和(自身を除く): 122630216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 11257, 22514, 45028, 56285, 90056, 112570, 180112, 225140, 450280, 900560, 1136957, 2273914, 4547828, 5684785, 9095656, 11369570, 18191312, 22739140, 45478280, 90956560]

約数ペア:

[(1, 90956560), (2, 45478280), (4, 22739140), (5, 18191312), (8, 11369570), (10, 9095656), (16, 5684785), (20, 4547828), (40, 2273914), (80, 1136957), (101, 900560), (202, 450280), (404, 225140), (505, 180112), (808, 112570), (1010, 90056), (1616, 56285), (2020, 45028), (4040, 22514), (8080, 11257)]