88978880

素因数分解:

$2^6\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2551}}^1$

素因数の和:2677

約数の個数: 56

約数和(自身を含む): 213908640

約数和(自身を除く): 124929760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 160, 218, 320, 436, 545, 872, 1090, 1744, 2180, 2551, 3488, 4360, 5102, 6976, 8720, 10204, 12755, 17440, 20408, 25510, 34880, 40816, 51020, 81632, 102040, 163264, 204080, 278059, 408160, 556118, 816320, 1112236, 1390295, 2224472, 2780590, 4448944, 5561180, 8897888, 11122360, 17795776, 22244720, 44489440, 88978880]

約数ペア:

[(1, 88978880), (2, 44489440), (4, 22244720), (5, 17795776), (8, 11122360), (10, 8897888), (16, 5561180), (20, 4448944), (32, 2780590), (40, 2224472), (64, 1390295), (80, 1112236), (109, 816320), (160, 556118), (218, 408160), (320, 278059), (436, 204080), (545, 163264), (872, 102040), (1090, 81632), (1744, 51020), (2180, 40816), (2551, 34880), (3488, 25510), (4360, 20408), (5102, 17440), (6976, 12755), (8720, 10204)]