1006000

素因数分解:

$2^4\times 5^3\times {\mathrm{503}}^1$

素因数の和:526

約数の個数: 40

約数和(自身を含む): 2437344

約数和(自身を除く): 1431344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 503, 1000, 1006, 2000, 2012, 2515, 4024, 5030, 8048, 10060, 12575, 20120, 25150, 40240, 50300, 62875, 100600, 125750, 201200, 251500, 503000, 1006000]

約数ペア:

[(1, 1006000), (2, 503000), (4, 251500), (5, 201200), (8, 125750), (10, 100600), (16, 62875), (20, 50300), (25, 40240), (40, 25150), (50, 20120), (80, 12575), (100, 10060), (125, 8048), (200, 5030), (250, 4024), (400, 2515), (500, 2012), (503, 2000), (1000, 1006)]