64758440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{95233}}^1$

素因数の和:95261

約数の個数: 32

約数和(自身を含む): 154279080

約数和(自身を除く): 89520640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 95233, 190466, 380932, 476165, 761864, 952330, 1618961, 1904660, 3237922, 3809320, 6475844, 8094805, 12951688, 16189610, 32379220, 64758440]

約数ペア:

[(1, 64758440), (2, 32379220), (4, 16189610), (5, 12951688), (8, 8094805), (10, 6475844), (17, 3809320), (20, 3237922), (34, 1904660), (40, 1618961), (68, 952330), (85, 761864), (136, 476165), (170, 380932), (340, 190466), (680, 95233)]