1359320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1999}}^1$

素因数の和:2027

約数の個数: 32

約数和(自身を含む): 3240000

約数和(自身を除く): 1880680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 1999, 3998, 7996, 9995, 15992, 19990, 33983, 39980, 67966, 79960, 135932, 169915, 271864, 339830, 679660, 1359320]

約数ペア:

[(1, 1359320), (2, 679660), (4, 339830), (5, 271864), (8, 169915), (10, 135932), (17, 79960), (20, 67966), (34, 39980), (40, 33983), (68, 19990), (85, 15992), (136, 9995), (170, 7996), (340, 3998), (680, 1999)]