129492800

素因数分解:

$2^6\times 5^2\times {\mathrm{80933}}^1$

素因数の和:80955

約数の個数: 42

約数和(自身を含む): 318637158

約数和(自身を除く): 189144358

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 80933, 161866, 323732, 404665, 647464, 809330, 1294928, 1618660, 2023325, 2589856, 3237320, 4046650, 5179712, 6474640, 8093300, 12949280, 16186600, 25898560, 32373200, 64746400, 129492800]

約数ペア:

[(1, 129492800), (2, 64746400), (4, 32373200), (5, 25898560), (8, 16186600), (10, 12949280), (16, 8093300), (20, 6474640), (25, 5179712), (32, 4046650), (40, 3237320), (50, 2589856), (64, 2023325), (80, 1618660), (100, 1294928), (160, 809330), (200, 647464), (320, 404665), (400, 323732), (800, 161866), (1600, 80933)]