51501340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1787}}^1$

素因数の和:1938

約数の個数: 48

約数和(自身を含む): 118952064

約数和(自身を除く): 67450724

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 131, 220, 262, 524, 655, 1310, 1441, 1787, 2620, 2882, 3574, 5764, 7148, 7205, 8935, 14410, 17870, 19657, 28820, 35740, 39314, 78628, 98285, 196570, 234097, 393140, 468194, 936388, 1170485, 2340970, 2575067, 4681940, 5150134, 10300268, 12875335, 25750670, 51501340]

約数ペア:

[(1, 51501340), (2, 25750670), (4, 12875335), (5, 10300268), (10, 5150134), (11, 4681940), (20, 2575067), (22, 2340970), (44, 1170485), (55, 936388), (110, 468194), (131, 393140), (220, 234097), (262, 196570), (524, 98285), (655, 78628), (1310, 39314), (1441, 35740), (1787, 28820), (2620, 19657), (2882, 17870), (3574, 14410), (5764, 8935), (7148, 7205)]