61581260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{547}}^1$

素因数の和:1002

約数の個数: 48

約数和(自身を含む): 139845216

約数和(自身を除く): 78263956

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 433, 547, 866, 1094, 1732, 2165, 2188, 2735, 4330, 5470, 5629, 7111, 8660, 10940, 11258, 14222, 22516, 28145, 28444, 35555, 56290, 71110, 112580, 142220, 236851, 473702, 947404, 1184255, 2368510, 3079063, 4737020, 6158126, 12316252, 15395315, 30790630, 61581260]

約数ペア:

[(1, 61581260), (2, 30790630), (4, 15395315), (5, 12316252), (10, 6158126), (13, 4737020), (20, 3079063), (26, 2368510), (52, 1184255), (65, 947404), (130, 473702), (260, 236851), (433, 142220), (547, 112580), (866, 71110), (1094, 56290), (1732, 35555), (2165, 28444), (2188, 28145), (2735, 22516), (4330, 14222), (5470, 11258), (5629, 10940), (7111, 8660)]