99396520

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{12487}}^1$

素因数の和:12697

約数の個数: 32

約数和(自身を含む): 224784000

約数和(自身を除く): 125387480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 12487, 24974, 49948, 62435, 99896, 124870, 249740, 499480, 2484913, 4969826, 9939652, 12424565, 19879304, 24849130, 49698260, 99396520]

約数ペア:

[(1, 99396520), (2, 49698260), (4, 24849130), (5, 19879304), (8, 12424565), (10, 9939652), (20, 4969826), (40, 2484913), (199, 499480), (398, 249740), (796, 124870), (995, 99896), (1592, 62435), (1990, 49948), (3980, 24974), (7960, 12487)]