30724000

素因数分解:

$2^5\times 5^3\times {\mathrm{7681}}^1$

素因数の和:7706

約数の個数: 48

約数和(自身を含む): 75498696

約数和(自身を除く): 44774696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 7681, 15362, 30724, 38405, 61448, 76810, 122896, 153620, 192025, 245792, 307240, 384050, 614480, 768100, 960125, 1228960, 1536200, 1920250, 3072400, 3840500, 6144800, 7681000, 15362000, 30724000]

約数ペア:

[(1, 30724000), (2, 15362000), (4, 7681000), (5, 6144800), (8, 3840500), (10, 3072400), (16, 1920250), (20, 1536200), (25, 1228960), (32, 960125), (40, 768100), (50, 614480), (80, 384050), (100, 307240), (125, 245792), (160, 192025), (200, 153620), (250, 122896), (400, 76810), (500, 61448), (800, 38405), (1000, 30724), (2000, 15362), (4000, 7681)]