64806500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{11783}}^1$

素因数の和:11813

約数の個数: 48

約数和(自身を含む): 154417536

約数和(自身を除く): 89611036

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 500, 550, 1100, 1375, 2750, 5500, 11783, 23566, 47132, 58915, 117830, 129613, 235660, 259226, 294575, 518452, 589150, 648065, 1178300, 1296130, 1472875, 2592260, 2945750, 3240325, 5891500, 6480650, 12961300, 16201625, 32403250, 64806500]

約数ペア:

[(1, 64806500), (2, 32403250), (4, 16201625), (5, 12961300), (10, 6480650), (11, 5891500), (20, 3240325), (22, 2945750), (25, 2592260), (44, 1472875), (50, 1296130), (55, 1178300), (100, 648065), (110, 589150), (125, 518452), (220, 294575), (250, 259226), (275, 235660), (500, 129613), (550, 117830), (1100, 58915), (1375, 47132), (2750, 23566), (5500, 11783)]