16690640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:276

約数の個数: 80

約数和(自身を含む): 41568768

約数和(自身を除く): 24878128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 47, 80, 92, 94, 115, 184, 188, 193, 230, 235, 368, 376, 386, 460, 470, 752, 772, 920, 940, 965, 1081, 1544, 1840, 1880, 1930, 2162, 3088, 3760, 3860, 4324, 4439, 5405, 7720, 8648, 8878, 9071, 10810, 15440, 17296, 17756, 18142, 21620, 22195, 35512, 36284, 43240, 44390, 45355, 71024, 72568, 86480, 88780, 90710, 145136, 177560, 181420, 208633, 355120, 362840, 417266, 725680, 834532, 1043165, 1669064, 2086330, 3338128, 4172660, 8345320, 16690640]

約数ペア:

[(1, 16690640), (2, 8345320), (4, 4172660), (5, 3338128), (8, 2086330), (10, 1669064), (16, 1043165), (20, 834532), (23, 725680), (40, 417266), (46, 362840), (47, 355120), (80, 208633), (92, 181420), (94, 177560), (115, 145136), (184, 90710), (188, 88780), (193, 86480), (230, 72568), (235, 71024), (368, 45355), (376, 44390), (386, 43240), (460, 36284), (470, 35512), (752, 22195), (772, 21620), (920, 18142), (940, 17756), (965, 17296), (1081, 15440), (1544, 10810), (1840, 9071), (1880, 8878), (1930, 8648), (2162, 7720), (3088, 5405), (3760, 4439), (3860, 4324)]