159020000

素因数分解:

$2^5\times 5^4\times {\mathrm{7951}}^1$

素因数の和:7981

約数の個数: 60

約数和(自身を含む): 391262256

約数和(自身を除く): 232242256

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, 7951, 10000, 15902, 20000, 31804, 39755, 63608, 79510, 127216, 159020, 198775, 254432, 318040, 397550, 636080, 795100, 993875, 1272160, 1590200, 1987750, 3180400, 3975500, 4969375, 6360800, 7951000, 9938750, 15902000, 19877500, 31804000, 39755000, 79510000, 159020000]

約数ペア:

[(1, 159020000), (2, 79510000), (4, 39755000), (5, 31804000), (8, 19877500), (10, 15902000), (16, 9938750), (20, 7951000), (25, 6360800), (32, 4969375), (40, 3975500), (50, 3180400), (80, 1987750), (100, 1590200), (125, 1272160), (160, 993875), (200, 795100), (250, 636080), (400, 397550), (500, 318040), (625, 254432), (800, 198775), (1000, 159020), (1250, 127216), (2000, 79510), (2500, 63608), (4000, 39755), (5000, 31804), (7951, 20000), (10000, 15902)]