165732920

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{41023}}^1$

素因数の和:41135

約数の個数: 32

約数和(自身を含む): 376600320

約数和(自身を除く): 210867400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 41023, 82046, 164092, 205115, 328184, 410230, 820460, 1640920, 4143323, 8286646, 16573292, 20716615, 33146584, 41433230, 82866460, 165732920]

約数ペア:

[(1, 165732920), (2, 82866460), (4, 41433230), (5, 33146584), (8, 20716615), (10, 16573292), (20, 8286646), (40, 4143323), (101, 1640920), (202, 820460), (404, 410230), (505, 328184), (808, 205115), (1010, 164092), (2020, 82046), (4040, 41023)]