129472760

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{45589}}^1$

素因数の和:45671

約数の個数: 32

約数和(自身を含む): 295423200

約数和(自身を除く): 165950440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 45589, 91178, 182356, 227945, 364712, 455890, 911780, 1823560, 3236819, 6473638, 12947276, 16184095, 25894552, 32368190, 64736380, 129472760]

約数ペア:

[(1, 129472760), (2, 64736380), (4, 32368190), (5, 25894552), (8, 16184095), (10, 12947276), (20, 6473638), (40, 3236819), (71, 1823560), (142, 911780), (284, 455890), (355, 364712), (568, 227945), (710, 182356), (1420, 91178), (2840, 45589)]