80384240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32413}}^1$

素因数の和:32457

約数の個数: 40

約数和(自身を含む): 192928128

約数和(自身を除く): 112543888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 32413, 64826, 129652, 162065, 259304, 324130, 518608, 648260, 1004803, 1296520, 2009606, 2593040, 4019212, 5024015, 8038424, 10048030, 16076848, 20096060, 40192120, 80384240]

約数ペア:

[(1, 80384240), (2, 40192120), (4, 20096060), (5, 16076848), (8, 10048030), (10, 8038424), (16, 5024015), (20, 4019212), (31, 2593040), (40, 2009606), (62, 1296520), (80, 1004803), (124, 648260), (155, 518608), (248, 324130), (310, 259304), (496, 162065), (620, 129652), (1240, 64826), (2480, 32413)]