40416220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{433}}^1$

素因数の和:814

約数の個数: 48

約数和(自身を含む): 91869120

約数和(自身を除く): 51452900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 359, 433, 718, 866, 1436, 1732, 1795, 2165, 3590, 4330, 4667, 5629, 7180, 8660, 9334, 11258, 18668, 22516, 23335, 28145, 46670, 56290, 93340, 112580, 155447, 310894, 621788, 777235, 1554470, 2020811, 3108940, 4041622, 8083244, 10104055, 20208110, 40416220]

約数ペア:

[(1, 40416220), (2, 20208110), (4, 10104055), (5, 8083244), (10, 4041622), (13, 3108940), (20, 2020811), (26, 1554470), (52, 777235), (65, 621788), (130, 310894), (260, 155447), (359, 112580), (433, 93340), (718, 56290), (866, 46670), (1436, 28145), (1732, 23335), (1795, 22516), (2165, 18668), (3590, 11258), (4330, 9334), (4667, 8660), (5629, 7180)]