2080666450

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{4021}}^1$

素因数の和:4243

約数の個数: 48

約数和(自身を含む): 3949925760

約数和(自身を除く): 1869259310

約数列:

[1, 2, 5, 10, 25, 50, 79, 131, 158, 262, 395, 655, 790, 1310, 1975, 3275, 3950, 4021, 6550, 8042, 10349, 20105, 20698, 40210, 51745, 100525, 103490, 201050, 258725, 317659, 517450, 526751, 635318, 1053502, 1588295, 2633755, 3176590, 5267510, 7941475, 13168775, 15882950, 26337550, 41613329, 83226658, 208066645, 416133290, 1040333225, 2080666450]

約数ペア:

[(1, 2080666450), (2, 1040333225), (5, 416133290), (10, 208066645), (25, 83226658), (50, 41613329), (79, 26337550), (131, 15882950), (158, 13168775), (262, 7941475), (395, 5267510), (655, 3176590), (790, 2633755), (1310, 1588295), (1975, 1053502), (3275, 635318), (3950, 526751), (4021, 517450), (6550, 317659), (8042, 258725), (10349, 201050), (20105, 103490), (20698, 100525), (40210, 51745)]