82631720

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{11941}}^1$

素因数の和:12125

約数の個数: 32

約数和(自身を含む): 187011720

約数和(自身を除く): 104380000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 11941, 23882, 47764, 59705, 95528, 119410, 238820, 477640, 2065793, 4131586, 8263172, 10328965, 16526344, 20657930, 41315860, 82631720]

約数ペア:

[(1, 82631720), (2, 41315860), (4, 20657930), (5, 16526344), (8, 10328965), (10, 8263172), (20, 4131586), (40, 2065793), (173, 477640), (346, 238820), (692, 119410), (865, 95528), (1384, 59705), (1730, 47764), (3460, 23882), (6920, 11941)]