64703020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{4049}}^1$

素因数の和:4122

約数の個数: 48

約数和(自身を含む): 146966400

約数和(自身を除く): 82263380

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 940, 1598, 3196, 3995, 4049, 7990, 8098, 15980, 16196, 20245, 40490, 68833, 80980, 137666, 190303, 275332, 344165, 380606, 688330, 761212, 951515, 1376660, 1903030, 3235151, 3806060, 6470302, 12940604, 16175755, 32351510, 64703020]

約数ペア:

[(1, 64703020), (2, 32351510), (4, 16175755), (5, 12940604), (10, 6470302), (17, 3806060), (20, 3235151), (34, 1903030), (47, 1376660), (68, 951515), (85, 761212), (94, 688330), (170, 380606), (188, 344165), (235, 275332), (340, 190303), (470, 137666), (799, 80980), (940, 68833), (1598, 40490), (3196, 20245), (3995, 16196), (4049, 15980), (7990, 8098)]