13459400

素因数分解:

$2^3\times 5^2\times {\mathrm{173}}^1\times {\mathrm{389}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 31554900

約数和(自身を除く): 18095500

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 173, 200, 346, 389, 692, 778, 865, 1384, 1556, 1730, 1945, 3112, 3460, 3890, 4325, 6920, 7780, 8650, 9725, 15560, 17300, 19450, 34600, 38900, 67297, 77800, 134594, 269188, 336485, 538376, 672970, 1345940, 1682425, 2691880, 3364850, 6729700, 13459400]

約数ペア:

[(1, 13459400), (2, 6729700), (4, 3364850), (5, 2691880), (8, 1682425), (10, 1345940), (20, 672970), (25, 538376), (40, 336485), (50, 269188), (100, 134594), (173, 77800), (200, 67297), (346, 38900), (389, 34600), (692, 19450), (778, 17300), (865, 15560), (1384, 9725), (1556, 8650), (1730, 7780), (1945, 6920), (3112, 4325), (3460, 3890)]