66673669360

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1\times {\mathrm{17417}}^1$

素因数の和:17978

約数の個数: 80

約数和(自身を含む): 156803803200

約数和(自身を除く): 90130133840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 439, 545, 872, 878, 1090, 1744, 1756, 2180, 2195, 3512, 4360, 4390, 7024, 8720, 8780, 17417, 17560, 34834, 35120, 47851, 69668, 87085, 95702, 139336, 174170, 191404, 239255, 278672, 348340, 382808, 478510, 696680, 765616, 957020, 1393360, 1898453, 1914040, 3796906, 3828080, 7593812, 7646063, 9492265, 15187624, 15292126, 18984530, 30375248, 30584252, 37969060, 38230315, 61168504, 75938120, 76460630, 122337008, 151876240, 152921260, 305842520, 611685040, 833420867, 1666841734, 3333683468, 4167104335, 6667366936, 8334208670, 13334733872, 16668417340, 33336834680, 66673669360]

約数ペア:

[(1, 66673669360), (2, 33336834680), (4, 16668417340), (5, 13334733872), (8, 8334208670), (10, 6667366936), (16, 4167104335), (20, 3333683468), (40, 1666841734), (80, 833420867), (109, 611685040), (218, 305842520), (436, 152921260), (439, 151876240), (545, 122337008), (872, 76460630), (878, 75938120), (1090, 61168504), (1744, 38230315), (1756, 37969060), (2180, 30584252), (2195, 30375248), (3512, 18984530), (4360, 15292126), (4390, 15187624), (7024, 9492265), (8720, 7646063), (8780, 7593812), (17417, 3828080), (17560, 3796906), (34834, 1914040), (35120, 1898453), (47851, 1393360), (69668, 957020), (87085, 765616), (95702, 696680), (139336, 478510), (174170, 382808), (191404, 348340), (239255, 278672)]