3845720

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1217}}^1$

素因数の和:1307

約数の個数: 32

約数和(自身を含む): 8769600

約数和(自身を除く): 4923880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1217, 1580, 2434, 3160, 4868, 6085, 9736, 12170, 24340, 48680, 96143, 192286, 384572, 480715, 769144, 961430, 1922860, 3845720]

約数ペア:

[(1, 3845720), (2, 1922860), (4, 961430), (5, 769144), (8, 480715), (10, 384572), (20, 192286), (40, 96143), (79, 48680), (158, 24340), (316, 12170), (395, 9736), (632, 6085), (790, 4868), (1217, 3160), (1580, 2434)]