66375800

素因数分解:

$2^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{4201}}^1$

素因数の和:4296

約数の個数: 48

約数和(自身を含む): 156314400

約数和(自身を除く): 89938600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 158, 200, 316, 395, 632, 790, 1580, 1975, 3160, 3950, 4201, 7900, 8402, 15800, 16804, 21005, 33608, 42010, 84020, 105025, 168040, 210050, 331879, 420100, 663758, 840200, 1327516, 1659395, 2655032, 3318790, 6637580, 8296975, 13275160, 16593950, 33187900, 66375800]

約数ペア:

[(1, 66375800), (2, 33187900), (4, 16593950), (5, 13275160), (8, 8296975), (10, 6637580), (20, 3318790), (25, 2655032), (40, 1659395), (50, 1327516), (79, 840200), (100, 663758), (158, 420100), (200, 331879), (316, 210050), (395, 168040), (632, 105025), (790, 84020), (1580, 42010), (1975, 33608), (3160, 21005), (3950, 16804), (4201, 15800), (7900, 8402)]