86257040

素因数分解:

$2^4\times 5^1\times {\mathrm{541}}^1\times {\mathrm{1993}}^1$

素因数の和:2547

約数の個数: 40

約数和(自身を含む): 201019128

約数和(自身を除く): 114762088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 541, 1082, 1993, 2164, 2705, 3986, 4328, 5410, 7972, 8656, 9965, 10820, 15944, 19930, 21640, 31888, 39860, 43280, 79720, 159440, 1078213, 2156426, 4312852, 5391065, 8625704, 10782130, 17251408, 21564260, 43128520, 86257040]

約数ペア:

[(1, 86257040), (2, 43128520), (4, 21564260), (5, 17251408), (8, 10782130), (10, 8625704), (16, 5391065), (20, 4312852), (40, 2156426), (80, 1078213), (541, 159440), (1082, 79720), (1993, 43280), (2164, 39860), (2705, 31888), (3986, 21640), (4328, 19930), (5410, 15944), (7972, 10820), (8656, 9965)]