2905120

素因数分解:

$2^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:353

約数の個数: 48

約数和(自身を含む): 6991488

約数和(自身を除く): 4086368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 67, 80, 134, 160, 268, 271, 335, 536, 542, 670, 1072, 1084, 1340, 1355, 2144, 2168, 2680, 2710, 4336, 5360, 5420, 8672, 10720, 10840, 18157, 21680, 36314, 43360, 72628, 90785, 145256, 181570, 290512, 363140, 581024, 726280, 1452560, 2905120]

約数ペア:

[(1, 2905120), (2, 1452560), (4, 726280), (5, 581024), (8, 363140), (10, 290512), (16, 181570), (20, 145256), (32, 90785), (40, 72628), (67, 43360), (80, 36314), (134, 21680), (160, 18157), (268, 10840), (271, 10720), (335, 8672), (536, 5420), (542, 5360), (670, 4336), (1072, 2710), (1084, 2680), (1340, 2168), (1355, 2144)]