63977780

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{24419}}^1$

素因数の和:24559

約数の個数: 24

約数和(自身を含む): 135384480

約数和(自身を除く): 71406700

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 24419, 48838, 97676, 122095, 244190, 488380, 3198889, 6397778, 12795556, 15994445, 31988890, 63977780]

約数ペア:

[(1, 63977780), (2, 31988890), (4, 15994445), (5, 12795556), (10, 6397778), (20, 3198889), (131, 488380), (262, 244190), (524, 122095), (655, 97676), (1310, 48838), (2620, 24419)]