90726560

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{13187}}^1$

素因数の和:13245

約数の個数: 48

約数和(自身を含む): 219342816

約数和(自身を除く): 128616256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 13187, 26374, 52748, 65935, 105496, 131870, 210992, 263740, 421984, 527480, 567041, 1054960, 1134082, 2109920, 2268164, 2835205, 4536328, 5670410, 9072656, 11340820, 18145312, 22681640, 45363280, 90726560]

約数ペア:

[(1, 90726560), (2, 45363280), (4, 22681640), (5, 18145312), (8, 11340820), (10, 9072656), (16, 5670410), (20, 4536328), (32, 2835205), (40, 2268164), (43, 2109920), (80, 1134082), (86, 1054960), (160, 567041), (172, 527480), (215, 421984), (344, 263740), (430, 210992), (688, 131870), (860, 105496), (1376, 65935), (1720, 52748), (3440, 26374), (6880, 13187)]