80218208

素因数分解:

$2^5\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2281}}^1$

素因数の和:2455

約数の個数: 48

約数和(自身を含む): 181720224

約数和(自身を除く): 101502016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 157, 224, 314, 628, 1099, 1256, 2198, 2281, 2512, 4396, 4562, 5024, 8792, 9124, 15967, 17584, 18248, 31934, 35168, 36496, 63868, 72992, 127736, 255472, 358117, 510944, 716234, 1432468, 2506819, 2864936, 5013638, 5729872, 10027276, 11459744, 20054552, 40109104, 80218208]

約数ペア:

[(1, 80218208), (2, 40109104), (4, 20054552), (7, 11459744), (8, 10027276), (14, 5729872), (16, 5013638), (28, 2864936), (32, 2506819), (56, 1432468), (112, 716234), (157, 510944), (224, 358117), (314, 255472), (628, 127736), (1099, 72992), (1256, 63868), (2198, 36496), (2281, 35168), (2512, 31934), (4396, 18248), (4562, 17584), (5024, 15967), (8792, 9124)]