64185040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{42227}}^1$

素因数の和:42259

約数の個数: 40

約数和(自身を含む): 157088160

約数和(自身を除く): 92903120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 42227, 84454, 168908, 211135, 337816, 422270, 675632, 802313, 844540, 1604626, 1689080, 3209252, 3378160, 4011565, 6418504, 8023130, 12837008, 16046260, 32092520, 64185040]

約数ペア:

[(1, 64185040), (2, 32092520), (4, 16046260), (5, 12837008), (8, 8023130), (10, 6418504), (16, 4011565), (19, 3378160), (20, 3209252), (38, 1689080), (40, 1604626), (76, 844540), (80, 802313), (95, 675632), (152, 422270), (190, 337816), (304, 211135), (380, 168908), (760, 84454), (1520, 42227)]