7691440

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1217}}^1$

素因数の和:1309

約数の個数: 40

約数和(自身を含む): 18123840

約数和(自身を除く): 10432400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1217, 1264, 1580, 2434, 3160, 4868, 6085, 6320, 9736, 12170, 19472, 24340, 48680, 96143, 97360, 192286, 384572, 480715, 769144, 961430, 1538288, 1922860, 3845720, 7691440]

約数ペア:

[(1, 7691440), (2, 3845720), (4, 1922860), (5, 1538288), (8, 961430), (10, 769144), (16, 480715), (20, 384572), (40, 192286), (79, 97360), (80, 96143), (158, 48680), (316, 24340), (395, 19472), (632, 12170), (790, 9736), (1217, 6320), (1264, 6085), (1580, 4868), (2434, 3160)]