7885640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{28163}}^1$

素因数の和:28181

約数の個数: 32

約数和(自身を含む): 20278080

約数和(自身を除く): 12392440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 28163, 56326, 112652, 140815, 197141, 225304, 281630, 394282, 563260, 788564, 985705, 1126520, 1577128, 1971410, 3942820, 7885640]

約数ペア:

[(1, 7885640), (2, 3942820), (4, 1971410), (5, 1577128), (7, 1126520), (8, 985705), (10, 788564), (14, 563260), (20, 394282), (28, 281630), (35, 225304), (40, 197141), (56, 140815), (70, 112652), (140, 56326), (280, 28163)]