42902500

素因数分解:

$2^2\times 5^4\times {\mathrm{131}}^2$

素因数の和:286

約数の個数: 45

約数和(自身を含む): 94540831

約数和(自身を除く): 51638331

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 131, 250, 262, 500, 524, 625, 655, 1250, 1310, 2500, 2620, 3275, 6550, 13100, 16375, 17161, 32750, 34322, 65500, 68644, 81875, 85805, 163750, 171610, 327500, 343220, 429025, 858050, 1716100, 2145125, 4290250, 8580500, 10725625, 21451250, 42902500]

約数ペア:

[(1, 42902500), (2, 21451250), (4, 10725625), (5, 8580500), (10, 4290250), (20, 2145125), (25, 1716100), (50, 858050), (100, 429025), (125, 343220), (131, 327500), (250, 171610), (262, 163750), (500, 85805), (524, 81875), (625, 68644), (655, 65500), (1250, 34322), (1310, 32750), (2500, 17161), (2620, 16375), (3275, 13100)]