16511740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1999}}^1$

素因数の和:2074

約数の個数: 48

約数和(自身を含む): 40320000

約数和(自身を除く): 23808260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 413, 590, 826, 1180, 1652, 1999, 2065, 3998, 4130, 7996, 8260, 9995, 13993, 19990, 27986, 39980, 55972, 69965, 117941, 139930, 235882, 279860, 471764, 589705, 825587, 1179410, 1651174, 2358820, 3302348, 4127935, 8255870, 16511740]

約数ペア:

[(1, 16511740), (2, 8255870), (4, 4127935), (5, 3302348), (7, 2358820), (10, 1651174), (14, 1179410), (20, 825587), (28, 589705), (35, 471764), (59, 279860), (70, 235882), (118, 139930), (140, 117941), (236, 69965), (295, 55972), (413, 39980), (590, 27986), (826, 19990), (1180, 13993), (1652, 9995), (1999, 8260), (2065, 7996), (3998, 4130)]