1355240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1993}}^1$

素因数の和:2021

約数の個数: 32

約数和(自身を含む): 3230280

約数和(自身を除く): 1875040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 1993, 3986, 7972, 9965, 15944, 19930, 33881, 39860, 67762, 79720, 135524, 169405, 271048, 338810, 677620, 1355240]

約数ペア:

[(1, 1355240), (2, 677620), (4, 338810), (5, 271048), (8, 169405), (10, 135524), (17, 79720), (20, 67762), (34, 39860), (40, 33881), (68, 19930), (85, 15944), (136, 9965), (170, 7972), (340, 3986), (680, 1993)]