2078909920

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{316907}}^1$

素因数の和:316963

約数の個数: 48

約数和(自身を含む): 5031231408

約数和(自身を除く): 2952321488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 316907, 633814, 1267628, 1584535, 2535256, 3169070, 5070512, 6338140, 10141024, 12676280, 12993187, 25352560, 25986374, 50705120, 51972748, 64965935, 103945496, 129931870, 207890992, 259863740, 415781984, 519727480, 1039454960, 2078909920]

約数ペア:

[(1, 2078909920), (2, 1039454960), (4, 519727480), (5, 415781984), (8, 259863740), (10, 207890992), (16, 129931870), (20, 103945496), (32, 64965935), (40, 51972748), (41, 50705120), (80, 25986374), (82, 25352560), (160, 12993187), (164, 12676280), (205, 10141024), (328, 6338140), (410, 5070512), (656, 3169070), (820, 2535256), (1312, 1584535), (1640, 1267628), (3280, 633814), (6560, 316907)]