71654720

素因数分解:

$2^6\times 5^1\times {\mathrm{223921}}^1$

素因数の和:223938

約数の個数: 28

約数和(自身を含む): 170628564

約数和(自身を除く): 98973844

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 223921, 447842, 895684, 1119605, 1791368, 2239210, 3582736, 4478420, 7165472, 8956840, 14330944, 17913680, 35827360, 71654720]

約数ペア:

[(1, 71654720), (2, 35827360), (4, 17913680), (5, 14330944), (8, 8956840), (10, 7165472), (16, 4478420), (20, 3582736), (32, 2239210), (40, 1791368), (64, 1119605), (80, 895684), (160, 447842), (320, 223921)]