4937530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2038

約数の個数: 32

約数和(自身を含む): 10080000

約数和(自身を除く): 5142470

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 1999, 2470, 3998, 9995, 19990, 25987, 37981, 51974, 75962, 129935, 189905, 259870, 379810, 493753, 987506, 2468765, 4937530]

約数ペア:

[(1, 4937530), (2, 2468765), (5, 987506), (10, 493753), (13, 379810), (19, 259870), (26, 189905), (38, 129935), (65, 75962), (95, 51974), (130, 37981), (190, 25987), (247, 19990), (494, 9995), (1235, 3998), (1999, 2470)]