259580000

素因数分解:

$2^5\times 5^4\times {\mathrm{12979}}^1$

素因数の和:13009

約数の個数: 60

約数和(自身を含む): 638654940

約数和(自身を除く): 379074940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 1000, 1250, 2000, 2500, 4000, 5000, 10000, 12979, 20000, 25958, 51916, 64895, 103832, 129790, 207664, 259580, 324475, 415328, 519160, 648950, 1038320, 1297900, 1622375, 2076640, 2595800, 3244750, 5191600, 6489500, 8111875, 10383200, 12979000, 16223750, 25958000, 32447500, 51916000, 64895000, 129790000, 259580000]

約数ペア:

[(1, 259580000), (2, 129790000), (4, 64895000), (5, 51916000), (8, 32447500), (10, 25958000), (16, 16223750), (20, 12979000), (25, 10383200), (32, 8111875), (40, 6489500), (50, 5191600), (80, 3244750), (100, 2595800), (125, 2076640), (160, 1622375), (200, 1297900), (250, 1038320), (400, 648950), (500, 519160), (625, 415328), (800, 324475), (1000, 259580), (1250, 207664), (2000, 129790), (2500, 103832), (4000, 64895), (5000, 51916), (10000, 25958), (12979, 20000)]