7970080

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{457}}^1$

素因数の和:581

約数の個数: 48

約数和(自身を含む): 19043640

約数和(自身を除く): 11073560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 457, 545, 872, 914, 1090, 1744, 1828, 2180, 2285, 3488, 3656, 4360, 4570, 7312, 8720, 9140, 14624, 17440, 18280, 36560, 49813, 73120, 99626, 199252, 249065, 398504, 498130, 797008, 996260, 1594016, 1992520, 3985040, 7970080]

約数ペア:

[(1, 7970080), (2, 3985040), (4, 1992520), (5, 1594016), (8, 996260), (10, 797008), (16, 498130), (20, 398504), (32, 249065), (40, 199252), (80, 99626), (109, 73120), (160, 49813), (218, 36560), (436, 18280), (457, 17440), (545, 14624), (872, 9140), (914, 8720), (1090, 7312), (1744, 4570), (1828, 4360), (2180, 3656), (2285, 3488)]