39182720

素因数分解:

$2^7\times 5^1\times {\mathrm{61223}}^1$

素因数の和:61242

約数の個数: 32

約数和(自身を含む): 93672720

約数和(自身を除く): 54490000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 61223, 122446, 244892, 306115, 489784, 612230, 979568, 1224460, 1959136, 2448920, 3918272, 4897840, 7836544, 9795680, 19591360, 39182720]

約数ペア:

[(1, 39182720), (2, 19591360), (4, 9795680), (5, 7836544), (8, 4897840), (10, 3918272), (16, 2448920), (20, 1959136), (32, 1224460), (40, 979568), (64, 612230), (80, 489784), (128, 306115), (160, 244892), (320, 122446), (640, 61223)]