28626680

素因数分解:

$2^3\times 5^1\times {\mathrm{839}}^1\times {\mathrm{853}}^1$

素因数の和:1703

約数の個数: 32

約数和(自身を含む): 64562400

約数和(自身を除く): 35935720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 839, 853, 1678, 1706, 3356, 3412, 4195, 4265, 6712, 6824, 8390, 8530, 16780, 17060, 33560, 34120, 715667, 1431334, 2862668, 3578335, 5725336, 7156670, 14313340, 28626680]

約数ペア:

[(1, 28626680), (2, 14313340), (4, 7156670), (5, 5725336), (8, 3578335), (10, 2862668), (20, 1431334), (40, 715667), (839, 34120), (853, 33560), (1678, 17060), (1706, 16780), (3356, 8530), (3412, 8390), (4195, 6824), (4265, 6712)]