9801040

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1213}}^1$

素因数の和:1327

約数の個数: 40

約数和(自身を含む): 23032008

約数和(自身を除く): 13230968

約数列:

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

約数ペア:

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