19602080

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1213}}^1$

素因数の和:1329

約数の個数: 48

約数和(自身を含む): 46806984

約数和(自身を除く): 27204904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 808, 1010, 1213, 1616, 2020, 2426, 3232, 4040, 4852, 6065, 8080, 9704, 12130, 16160, 19408, 24260, 38816, 48520, 97040, 122513, 194080, 245026, 490052, 612565, 980104, 1225130, 1960208, 2450260, 3920416, 4900520, 9801040, 19602080]

約数ペア:

[(1, 19602080), (2, 9801040), (4, 4900520), (5, 3920416), (8, 2450260), (10, 1960208), (16, 1225130), (20, 980104), (32, 612565), (40, 490052), (80, 245026), (101, 194080), (160, 122513), (202, 97040), (404, 48520), (505, 38816), (808, 24260), (1010, 19408), (1213, 16160), (1616, 12130), (2020, 9704), (2426, 8080), (3232, 6065), (4040, 4852)]