2018588720

素因数分解:

$2^4\times 5^1\times {\mathrm{25232359}}^1$

素因数の和:25232372

約数の個数: 20

約数和(自身を含む): 4693218960

約数和(自身を除く): 2674630240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25232359, 50464718, 100929436, 126161795, 201858872, 252323590, 403717744, 504647180, 1009294360, 2018588720]

約数ペア:

[(1, 2018588720), (2, 1009294360), (4, 504647180), (5, 403717744), (8, 252323590), (10, 201858872), (16, 126161795), (20, 100929436), (40, 50464718), (80, 25232359)]