4999880

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{523}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 11318400

約数和(自身を除く): 6318520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 523, 956, 1046, 1195, 1912, 2092, 2390, 2615, 4184, 4780, 5230, 9560, 10460, 20920, 124997, 249994, 499988, 624985, 999976, 1249970, 2499940, 4999880]

約数ペア:

[(1, 4999880), (2, 2499940), (4, 1249970), (5, 999976), (8, 624985), (10, 499988), (20, 249994), (40, 124997), (239, 20920), (478, 10460), (523, 9560), (956, 5230), (1046, 4780), (1195, 4184), (1912, 2615), (2092, 2390)]