1029920

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:213

約数の個数: 48

約数和(自身を含む): 2508408

約数和(自身を除く): 1478488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 157, 160, 164, 205, 314, 328, 410, 628, 656, 785, 820, 1256, 1312, 1570, 1640, 2512, 3140, 3280, 5024, 6280, 6437, 6560, 12560, 12874, 25120, 25748, 32185, 51496, 64370, 102992, 128740, 205984, 257480, 514960, 1029920]

約数ペア:

[(1, 1029920), (2, 514960), (4, 257480), (5, 205984), (8, 128740), (10, 102992), (16, 64370), (20, 51496), (32, 32185), (40, 25748), (41, 25120), (80, 12874), (82, 12560), (157, 6560), (160, 6437), (164, 6280), (205, 5024), (314, 3280), (328, 3140), (410, 2512), (628, 1640), (656, 1570), (785, 1312), (820, 1256)]