61201640

素因数分解:

$2^3\times 5^1\times {\mathrm{569}}^1\times {\mathrm{2689}}^1$

素因数の和:3269

約数の個数: 32

約数和(自身を含む): 137997000

約数和(自身を除く): 76795360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 569, 1138, 2276, 2689, 2845, 4552, 5378, 5690, 10756, 11380, 13445, 21512, 22760, 26890, 53780, 107560, 1530041, 3060082, 6120164, 7650205, 12240328, 15300410, 30600820, 61201640]

約数ペア:

[(1, 61201640), (2, 30600820), (4, 15300410), (5, 12240328), (8, 7650205), (10, 6120164), (20, 3060082), (40, 1530041), (569, 107560), (1138, 53780), (2276, 26890), (2689, 22760), (2845, 21512), (4552, 13445), (5378, 11380), (5690, 10756)]