40213040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71809}}^1$

素因数の和:71829

約数の個数: 40

約数和(自身を含む): 106853280

約数和(自身を除く): 66640240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 71809, 143618, 287236, 359045, 502663, 574472, 718090, 1005326, 1148944, 1436180, 2010652, 2513315, 2872360, 4021304, 5026630, 5744720, 8042608, 10053260, 20106520, 40213040]

約数ペア:

[(1, 40213040), (2, 20106520), (4, 10053260), (5, 8042608), (7, 5744720), (8, 5026630), (10, 4021304), (14, 2872360), (16, 2513315), (20, 2010652), (28, 1436180), (35, 1148944), (40, 1005326), (56, 718090), (70, 574472), (80, 502663), (112, 359045), (140, 287236), (280, 143618), (560, 71809)]