80481200

素因数分解:

$2^4\times 5^2\times {\mathrm{201203}}^1$

素因数の和:201221

約数の個数: 30

約数和(自身を含む): 193357044

約数和(自身を除く): 112875844

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 201203, 402406, 804812, 1006015, 1609624, 2012030, 3219248, 4024060, 5030075, 8048120, 10060150, 16096240, 20120300, 40240600, 80481200]

約数ペア:

[(1, 80481200), (2, 40240600), (4, 20120300), (5, 16096240), (8, 10060150), (10, 8048120), (16, 5030075), (20, 4024060), (25, 3219248), (40, 2012030), (50, 1609624), (80, 1006015), (100, 804812), (200, 402406), (400, 201203)]