80453208520

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2017}}^1\times {\mathrm{5011}}^1$

素因数の和:7238

約数の個数: 64

約数和(自身を含む): 182055888000

約数和(自身を除く): 101602679480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 2017, 3980, 4034, 5011, 7960, 8068, 10022, 10085, 16136, 20044, 20170, 25055, 40088, 40340, 50110, 80680, 100220, 200440, 401383, 802766, 997189, 1605532, 1994378, 2006915, 3211064, 3988756, 4013830, 4985945, 7977512, 8027660, 9971890, 10107187, 16055320, 19943780, 20214374, 39887560, 40428748, 50535935, 80857496, 101071870, 202143740, 404287480, 2011330213, 4022660426, 8045320852, 10056651065, 16090641704, 20113302130, 40226604260, 80453208520]

約数ペア:

[(1, 80453208520), (2, 40226604260), (4, 20113302130), (5, 16090641704), (8, 10056651065), (10, 8045320852), (20, 4022660426), (40, 2011330213), (199, 404287480), (398, 202143740), (796, 101071870), (995, 80857496), (1592, 50535935), (1990, 40428748), (2017, 39887560), (3980, 20214374), (4034, 19943780), (5011, 16055320), (7960, 10107187), (8068, 9971890), (10022, 8027660), (10085, 7977512), (16136, 4985945), (20044, 4013830), (20170, 3988756), (25055, 3211064), (40088, 2006915), (40340, 1994378), (50110, 1605532), (80680, 997189), (100220, 802766), (200440, 401383)]