8648240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6359}}^1$

素因数の和:6389

約数の個数: 40

約数和(自身を含む): 21293280

約数和(自身を除く): 12645040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 6359, 12718, 25436, 31795, 50872, 63590, 101744, 108103, 127180, 216206, 254360, 432412, 508720, 540515, 864824, 1081030, 1729648, 2162060, 4324120, 8648240]

約数ペア:

[(1, 8648240), (2, 4324120), (4, 2162060), (5, 1729648), (8, 1081030), (10, 864824), (16, 540515), (17, 508720), (20, 432412), (34, 254360), (40, 216206), (68, 127180), (80, 108103), (85, 101744), (136, 63590), (170, 50872), (272, 31795), (340, 25436), (680, 12718), (1360, 6359)]