64891040

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23857}}^1$

素因数の和:23889

約数の個数: 48

約数和(自身を含む): 162329832

約数和(自身を除く): 97438792

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 23857, 47714, 95428, 119285, 190856, 238570, 381712, 405569, 477140, 763424, 811138, 954280, 1622276, 1908560, 2027845, 3244552, 3817120, 4055690, 6489104, 8111380, 12978208, 16222760, 32445520, 64891040]

約数ペア:

[(1, 64891040), (2, 32445520), (4, 16222760), (5, 12978208), (8, 8111380), (10, 6489104), (16, 4055690), (17, 3817120), (20, 3244552), (32, 2027845), (34, 1908560), (40, 1622276), (68, 954280), (80, 811138), (85, 763424), (136, 477140), (160, 405569), (170, 381712), (272, 238570), (340, 190856), (544, 119285), (680, 95428), (1360, 47714), (2720, 23857)]