4900520

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1213}}^1$

素因数の和:1325

約数の個数: 32

約数和(自身を含む): 11144520

約数和(自身を除く): 6244000

約数列:

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

約数ペア:

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