87191260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{757}}^1$

素因数の和:1222

約数の個数: 48

約数和(自身を含む): 197892576

約数和(自身を除く): 110701316

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 443, 757, 886, 1514, 1772, 2215, 3028, 3785, 4430, 5759, 7570, 8860, 9841, 11518, 15140, 19682, 23036, 28795, 39364, 49205, 57590, 98410, 115180, 196820, 335351, 670702, 1341404, 1676755, 3353510, 4359563, 6707020, 8719126, 17438252, 21797815, 43595630, 87191260]

約数ペア:

[(1, 87191260), (2, 43595630), (4, 21797815), (5, 17438252), (10, 8719126), (13, 6707020), (20, 4359563), (26, 3353510), (52, 1676755), (65, 1341404), (130, 670702), (260, 335351), (443, 196820), (757, 115180), (886, 98410), (1514, 57590), (1772, 49205), (2215, 39364), (3028, 28795), (3785, 23036), (4430, 19682), (5759, 15140), (7570, 11518), (8860, 9841)]