126862720

素因数分解:

$2^7\times 5^1\times {\mathrm{198223}}^1$

素因数の和:198242

約数の個数: 32

約数和(自身を含む): 303282720

約数和(自身を除く): 176420000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 198223, 396446, 792892, 991115, 1585784, 1982230, 3171568, 3964460, 6343136, 7928920, 12686272, 15857840, 25372544, 31715680, 63431360, 126862720]

約数ペア:

[(1, 126862720), (2, 63431360), (4, 31715680), (5, 25372544), (8, 15857840), (10, 12686272), (16, 7928920), (20, 6343136), (32, 3964460), (40, 3171568), (64, 1982230), (80, 1585784), (128, 991115), (160, 792892), (320, 396446), (640, 198223)]