66655000

素因数分解:

$2^3\times 5^4\times {\mathrm{13331}}^1$

素因数の和:13357

約数の個数: 40

約数和(自身を含む): 156184380

約数和(自身を除く): 89529380

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 13331, 26662, 53324, 66655, 106648, 133310, 266620, 333275, 533240, 666550, 1333100, 1666375, 2666200, 3332750, 6665500, 8331875, 13331000, 16663750, 33327500, 66655000]

約数ペア:

[(1, 66655000), (2, 33327500), (4, 16663750), (5, 13331000), (8, 8331875), (10, 6665500), (20, 3332750), (25, 2666200), (40, 1666375), (50, 1333100), (100, 666550), (125, 533240), (200, 333275), (250, 266620), (500, 133310), (625, 106648), (1000, 66655), (1250, 53324), (2500, 26662), (5000, 13331)]