25479500

素因数分解:

$2^2\times 5^3\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:539

約数の個数: 48

約数和(自身を含む): 56216160

約数和(自身を除く): 30736660

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 131, 250, 262, 389, 500, 524, 655, 778, 1310, 1556, 1945, 2620, 3275, 3890, 6550, 7780, 9725, 13100, 16375, 19450, 32750, 38900, 48625, 50959, 65500, 97250, 101918, 194500, 203836, 254795, 509590, 1019180, 1273975, 2547950, 5095900, 6369875, 12739750, 25479500]

約数ペア:

[(1, 25479500), (2, 12739750), (4, 6369875), (5, 5095900), (10, 2547950), (20, 1273975), (25, 1019180), (50, 509590), (100, 254795), (125, 203836), (131, 194500), (250, 101918), (262, 97250), (389, 65500), (500, 50959), (524, 48625), (655, 38900), (778, 32750), (1310, 19450), (1556, 16375), (1945, 13100), (2620, 9725), (3275, 7780), (3890, 6550)]