65200040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{37907}}^1$

素因数の和:37961

約数の個数: 32

約数和(自身を含む): 150115680

約数和(自身を除く): 84915640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 37907, 75814, 151628, 189535, 303256, 379070, 758140, 1516280, 1630001, 3260002, 6520004, 8150005, 13040008, 16300010, 32600020, 65200040]

約数ペア:

[(1, 65200040), (2, 32600020), (4, 16300010), (5, 13040008), (8, 8150005), (10, 6520004), (20, 3260002), (40, 1630001), (43, 1516280), (86, 758140), (172, 379070), (215, 303256), (344, 189535), (430, 151628), (860, 75814), (1720, 37907)]