17902720

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2543}}^1$

素因数の和:2573

約数の個数: 64

約数和(自身を含む): 46707840

約数和(自身を除く): 28805120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 2543, 3520, 5086, 7040, 10172, 12715, 20344, 25430, 27973, 40688, 50860, 55946, 81376, 101720, 111892, 139865, 162752, 203440, 223784, 279730, 325504, 406880, 447568, 559460, 813760, 895136, 1118920, 1627520, 1790272, 2237840, 3580544, 4475680, 8951360, 17902720]

約数ペア:

[(1, 17902720), (2, 8951360), (4, 4475680), (5, 3580544), (8, 2237840), (10, 1790272), (11, 1627520), (16, 1118920), (20, 895136), (22, 813760), (32, 559460), (40, 447568), (44, 406880), (55, 325504), (64, 279730), (80, 223784), (88, 203440), (110, 162752), (128, 139865), (160, 111892), (176, 101720), (220, 81376), (320, 55946), (352, 50860), (440, 40688), (640, 27973), (704, 25430), (880, 20344), (1408, 12715), (1760, 10172), (2543, 7040), (3520, 5086)]