1880974720

素因数分解:

$2^7\times 5^1\times {\mathrm{2939023}}^1$

素因数の和:2939042

約数の個数: 32

約数和(自身を含む): 4496706720

約数和(自身を除く): 2615732000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 2939023, 5878046, 11756092, 14695115, 23512184, 29390230, 47024368, 58780460, 94048736, 117560920, 188097472, 235121840, 376194944, 470243680, 940487360, 1880974720]

約数ペア:

[(1, 1880974720), (2, 940487360), (4, 470243680), (5, 376194944), (8, 235121840), (10, 188097472), (16, 117560920), (20, 94048736), (32, 58780460), (40, 47024368), (64, 29390230), (80, 23512184), (128, 14695115), (160, 11756092), (320, 5878046), (640, 2939023)]