40246000

素因数分解:

$2^4\times 5^3\times {\mathrm{20123}}^1$

素因数の和:20146

約数の個数: 40

約数和(自身を含む): 97319664

約数和(自身を除く): 57073664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 20123, 40246, 80492, 100615, 160984, 201230, 321968, 402460, 503075, 804920, 1006150, 1609840, 2012300, 2515375, 4024600, 5030750, 8049200, 10061500, 20123000, 40246000]

約数ペア:

[(1, 40246000), (2, 20123000), (4, 10061500), (5, 8049200), (8, 5030750), (10, 4024600), (16, 2515375), (20, 2012300), (25, 1609840), (40, 1006150), (50, 804920), (80, 503075), (100, 402460), (125, 321968), (200, 201230), (250, 160984), (400, 100615), (500, 80492), (1000, 40246), (2000, 20123)]