64250020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{169079}}^1$

素因数の和:169107

約数の個数: 24

約数和(自身を含む): 142027200

約数和(自身を除く): 77777180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 169079, 338158, 676316, 845395, 1690790, 3212501, 3381580, 6425002, 12850004, 16062505, 32125010, 64250020]

約数ペア:

[(1, 64250020), (2, 32125010), (4, 16062505), (5, 12850004), (10, 6425002), (19, 3381580), (20, 3212501), (38, 1690790), (76, 845395), (95, 676316), (190, 338158), (380, 169079)]