138796640

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{18457}}^1$

素因数の和:18519

約数の個数: 48

約数和(自身を含む): 334901952

約数和(自身を除く): 196105312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 160, 188, 235, 376, 470, 752, 940, 1504, 1880, 3760, 7520, 18457, 36914, 73828, 92285, 147656, 184570, 295312, 369140, 590624, 738280, 867479, 1476560, 1734958, 2953120, 3469916, 4337395, 6939832, 8674790, 13879664, 17349580, 27759328, 34699160, 69398320, 138796640]

約数ペア:

[(1, 138796640), (2, 69398320), (4, 34699160), (5, 27759328), (8, 17349580), (10, 13879664), (16, 8674790), (20, 6939832), (32, 4337395), (40, 3469916), (47, 2953120), (80, 1734958), (94, 1476560), (160, 867479), (188, 738280), (235, 590624), (376, 369140), (470, 295312), (752, 184570), (940, 147656), (1504, 92285), (1880, 73828), (3760, 36914), (7520, 18457)]