76810000

素因数分解:

$2^4\times 5^4\times {\mathrm{7681}}^1$

素因数の和:7709

約数の個数: 50

約数和(自身を含む): 185988902

約数和(自身を除く): 109178902

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 7681, 10000, 15362, 30724, 38405, 61448, 76810, 122896, 153620, 192025, 307240, 384050, 614480, 768100, 960125, 1536200, 1920250, 3072400, 3840500, 4800625, 7681000, 9601250, 15362000, 19202500, 38405000, 76810000]

約数ペア:

[(1, 76810000), (2, 38405000), (4, 19202500), (5, 15362000), (8, 9601250), (10, 7681000), (16, 4800625), (20, 3840500), (25, 3072400), (40, 1920250), (50, 1536200), (80, 960125), (100, 768100), (125, 614480), (200, 384050), (250, 307240), (400, 192025), (500, 153620), (625, 122896), (1000, 76810), (1250, 61448), (2000, 38405), (2500, 30724), (5000, 15362), (7681, 10000)]