1262720

素因数分解:

$2^7\times 5^1\times {\mathrm{1973}}^1$

素因数の和:1992

約数の個数: 32

約数和(自身を含む): 3020220

約数和(自身を除く): 1757500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1973, 3946, 7892, 9865, 15784, 19730, 31568, 39460, 63136, 78920, 126272, 157840, 252544, 315680, 631360, 1262720]

約数ペア:

[(1, 1262720), (2, 631360), (4, 315680), (5, 252544), (8, 157840), (10, 126272), (16, 78920), (20, 63136), (32, 39460), (40, 31568), (64, 19730), (80, 15784), (128, 9865), (160, 7892), (320, 3946), (640, 1973)]