79886720

素因数分解:

$2^7\times 5^1\times {\mathrm{124823}}^1$

素因数の和:124842

約数の個数: 32

約数和(自身を含む): 190980720

約数和(自身を除く): 111094000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 124823, 249646, 499292, 624115, 998584, 1248230, 1997168, 2496460, 3994336, 4992920, 7988672, 9985840, 15977344, 19971680, 39943360, 79886720]

約数ペア:

[(1, 79886720), (2, 39943360), (4, 19971680), (5, 15977344), (8, 9985840), (10, 7988672), (16, 4992920), (20, 3994336), (32, 2496460), (40, 1997168), (64, 1248230), (80, 998584), (128, 624115), (160, 499292), (320, 249646), (640, 124823)]