16887520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1$

素因数の和:404

約数の個数: 96

約数和(自身を含む): 44960832

約数和(自身を除く): 28073312

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 65, 80, 92, 104, 115, 130, 160, 184, 208, 230, 260, 299, 353, 368, 416, 460, 520, 598, 706, 736, 920, 1040, 1196, 1412, 1495, 1765, 1840, 2080, 2392, 2824, 2990, 3530, 3680, 4589, 4784, 5648, 5980, 7060, 8119, 9178, 9568, 11296, 11960, 14120, 16238, 18356, 22945, 23920, 28240, 32476, 36712, 40595, 45890, 47840, 56480, 64952, 73424, 81190, 91780, 105547, 129904, 146848, 162380, 183560, 211094, 259808, 324760, 367120, 422188, 527735, 649520, 734240, 844376, 1055470, 1299040, 1688752, 2110940, 3377504, 4221880, 8443760, 16887520]

約数ペア:

[(1, 16887520), (2, 8443760), (4, 4221880), (5, 3377504), (8, 2110940), (10, 1688752), (13, 1299040), (16, 1055470), (20, 844376), (23, 734240), (26, 649520), (32, 527735), (40, 422188), (46, 367120), (52, 324760), (65, 259808), (80, 211094), (92, 183560), (104, 162380), (115, 146848), (130, 129904), (160, 105547), (184, 91780), (208, 81190), (230, 73424), (260, 64952), (299, 56480), (353, 47840), (368, 45890), (416, 40595), (460, 36712), (520, 32476), (598, 28240), (706, 23920), (736, 22945), (920, 18356), (1040, 16238), (1196, 14120), (1412, 11960), (1495, 11296), (1765, 9568), (1840, 9178), (2080, 8119), (2392, 7060), (2824, 5980), (2990, 5648), (3530, 4784), (3680, 4589)]