2525440

素因数分解:

$2^8\times 5^1\times {\mathrm{1973}}^1$

素因数の和:1994

約数の個数: 36

約数和(自身を含む): 6052284

約数和(自身を除く): 3526844

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 1973, 3946, 7892, 9865, 15784, 19730, 31568, 39460, 63136, 78920, 126272, 157840, 252544, 315680, 505088, 631360, 1262720, 2525440]

約数ペア:

[(1, 2525440), (2, 1262720), (4, 631360), (5, 505088), (8, 315680), (10, 252544), (16, 157840), (20, 126272), (32, 78920), (40, 63136), (64, 39460), (80, 31568), (128, 19730), (160, 15784), (256, 9865), (320, 7892), (640, 3946), (1280, 1973)]