1039480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1999}}^1$

素因数の和:2023

約数の個数: 32

約数和(自身を含む): 2520000

約数和(自身を除く): 1480520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1999, 3998, 7996, 9995, 15992, 19990, 25987, 39980, 51974, 79960, 103948, 129935, 207896, 259870, 519740, 1039480]

約数ペア:

[(1, 1039480), (2, 519740), (4, 259870), (5, 207896), (8, 129935), (10, 103948), (13, 79960), (20, 51974), (26, 39980), (40, 25987), (52, 19990), (65, 15992), (104, 9995), (130, 7996), (260, 3998), (520, 1999)]