25726960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{6563}}^1$

素因数の和:6590

約数の個数: 60

約数和(自身を含む): 69591528

約数和(自身を除く): 43864568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 6563, 13126, 26252, 32815, 45941, 52504, 65630, 91882, 105008, 131260, 183764, 229705, 262520, 321587, 367528, 459410, 525040, 643174, 735056, 918820, 1286348, 1607935, 1837640, 2572696, 3215870, 3675280, 5145392, 6431740, 12863480, 25726960]

約数ペア:

[(1, 25726960), (2, 12863480), (4, 6431740), (5, 5145392), (7, 3675280), (8, 3215870), (10, 2572696), (14, 1837640), (16, 1607935), (20, 1286348), (28, 918820), (35, 735056), (40, 643174), (49, 525040), (56, 459410), (70, 367528), (80, 321587), (98, 262520), (112, 229705), (140, 183764), (196, 131260), (245, 105008), (280, 91882), (392, 65630), (490, 52504), (560, 45941), (784, 32815), (980, 26252), (1960, 13126), (3920, 6563)]