71961080

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{10399}}^1$

素因数の和:10583

約数の個数: 32

約数和(自身を含む): 162864000

約数和(自身を除く): 90902920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 10399, 20798, 41596, 51995, 83192, 103990, 207980, 415960, 1799027, 3598054, 7196108, 8995135, 14392216, 17990270, 35980540, 71961080]

約数ペア:

[(1, 71961080), (2, 35980540), (4, 17990270), (5, 14392216), (8, 8995135), (10, 7196108), (20, 3598054), (40, 1799027), (173, 415960), (346, 207980), (692, 103990), (865, 83192), (1384, 51995), (1730, 41596), (3460, 20798), (6920, 10399)]