143353240

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{5591}}^1$

素因数の和:6243

約数の個数: 32

約数和(自身を含む): 323105760

約数和(自身を除く): 179752520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 5128, 5591, 6410, 11182, 12820, 22364, 25640, 27955, 44728, 55910, 111820, 223640, 3583831, 7167662, 14335324, 17919155, 28670648, 35838310, 71676620, 143353240]

約数ペア:

[(1, 143353240), (2, 71676620), (4, 35838310), (5, 28670648), (8, 17919155), (10, 14335324), (20, 7167662), (40, 3583831), (641, 223640), (1282, 111820), (2564, 55910), (3205, 44728), (5128, 27955), (5591, 25640), (6410, 22364), (11182, 12820)]