12863480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{6563}}^1$

素因数の和:6588

約数の個数: 48

約数和(自身を含む): 33673320

約数和(自身を除く): 20809840

約数列:

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

約数ペア:

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