64471720

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{5501}}^1$

素因数の和:5805

約数の個数: 32

約数和(自身を含む): 145582920

約数和(自身を除く): 81111200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 1172, 1465, 2344, 2930, 5501, 5860, 11002, 11720, 22004, 27505, 44008, 55010, 110020, 220040, 1611793, 3223586, 6447172, 8058965, 12894344, 16117930, 32235860, 64471720]

約数ペア:

[(1, 64471720), (2, 32235860), (4, 16117930), (5, 12894344), (8, 8058965), (10, 6447172), (20, 3223586), (40, 1611793), (293, 220040), (586, 110020), (1172, 55010), (1465, 44008), (2344, 27505), (2930, 22004), (5501, 11720), (5860, 11002)]