64323500

素因数分解:

$2^2\times 5^3\times {\mathrm{103}}^1\times {\mathrm{1249}}^1$

素因数の和:1371

約数の個数: 48

約数和(自身を含む): 141960000

約数和(自身を除く): 77636500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 103, 125, 206, 250, 412, 500, 515, 1030, 1249, 2060, 2498, 2575, 4996, 5150, 6245, 10300, 12490, 12875, 24980, 25750, 31225, 51500, 62450, 124900, 128647, 156125, 257294, 312250, 514588, 624500, 643235, 1286470, 2572940, 3216175, 6432350, 12864700, 16080875, 32161750, 64323500]

約数ペア:

[(1, 64323500), (2, 32161750), (4, 16080875), (5, 12864700), (10, 6432350), (20, 3216175), (25, 2572940), (50, 1286470), (100, 643235), (103, 624500), (125, 514588), (206, 312250), (250, 257294), (412, 156125), (500, 128647), (515, 124900), (1030, 62450), (1249, 51500), (2060, 31225), (2498, 25750), (2575, 24980), (4996, 12875), (5150, 12490), (6245, 10300)]