28325440

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1$

素因数の和:660

約数の個数: 112

約数和(自身を含む): 79369920

約数和(自身を除く): 51044480

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 130, 143, 160, 176, 208, 220, 260, 286, 320, 352, 416, 440, 520, 572, 619, 704, 715, 832, 880, 1040, 1144, 1238, 1430, 1760, 2080, 2288, 2476, 2860, 3095, 3520, 4160, 4576, 4952, 5720, 6190, 6809, 8047, 9152, 9904, 11440, 12380, 13618, 16094, 19808, 22880, 24760, 27236, 32188, 34045, 39616, 40235, 45760, 49520, 54472, 64376, 68090, 80470, 88517, 99040, 108944, 128752, 136180, 160940, 177034, 198080, 217888, 257504, 272360, 321880, 354068, 435776, 442585, 515008, 544720, 643760, 708136, 885170, 1089440, 1287520, 1416272, 1770340, 2178880, 2575040, 2832544, 3540680, 5665088, 7081360, 14162720, 28325440]

約数ペア:

[(1, 28325440), (2, 14162720), (4, 7081360), (5, 5665088), (8, 3540680), (10, 2832544), (11, 2575040), (13, 2178880), (16, 1770340), (20, 1416272), (22, 1287520), (26, 1089440), (32, 885170), (40, 708136), (44, 643760), (52, 544720), (55, 515008), (64, 442585), (65, 435776), (80, 354068), (88, 321880), (104, 272360), (110, 257504), (130, 217888), (143, 198080), (160, 177034), (176, 160940), (208, 136180), (220, 128752), (260, 108944), (286, 99040), (320, 88517), (352, 80470), (416, 68090), (440, 64376), (520, 54472), (572, 49520), (619, 45760), (704, 40235), (715, 39616), (832, 34045), (880, 32188), (1040, 27236), (1144, 24760), (1238, 22880), (1430, 19808), (1760, 16094), (2080, 13618), (2288, 12380), (2476, 11440), (2860, 9904), (3095, 9152), (3520, 8047), (4160, 6809), (4576, 6190), (4952, 5720)]