68109920

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4783}}^1$

素因数の和:4887

約数の個数: 48

約数和(自身を含む): 162751680

約数和(自身を除く): 94641760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 4783, 7120, 9566, 14240, 19132, 23915, 38264, 47830, 76528, 95660, 153056, 191320, 382640, 425687, 765280, 851374, 1702748, 2128435, 3405496, 4256870, 6810992, 8513740, 13621984, 17027480, 34054960, 68109920]

約数ペア:

[(1, 68109920), (2, 34054960), (4, 17027480), (5, 13621984), (8, 8513740), (10, 6810992), (16, 4256870), (20, 3405496), (32, 2128435), (40, 1702748), (80, 851374), (89, 765280), (160, 425687), (178, 382640), (356, 191320), (445, 153056), (712, 95660), (890, 76528), (1424, 47830), (1780, 38264), (2848, 23915), (3560, 19132), (4783, 14240), (7120, 9566)]