2598700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1999}}^1$

素因数の和:2026

約数の個数: 36

約数和(自身を含む): 6076000

約数和(自身を除く): 3477300

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 1999, 3998, 7996, 9995, 19990, 25987, 39980, 49975, 51974, 99950, 103948, 129935, 199900, 259870, 519740, 649675, 1299350, 2598700]

約数ペア:

[(1, 2598700), (2, 1299350), (4, 649675), (5, 519740), (10, 259870), (13, 199900), (20, 129935), (25, 103948), (26, 99950), (50, 51974), (52, 49975), (65, 39980), (100, 25987), (130, 19990), (260, 9995), (325, 7996), (650, 3998), (1300, 1999)]