17886320

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:198

約数の個数: 80

約数和(自身を含む): 43711488

約数和(自身を除く): 25825168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 67, 71, 80, 94, 134, 142, 188, 235, 268, 284, 335, 355, 376, 470, 536, 568, 670, 710, 752, 940, 1072, 1136, 1340, 1420, 1880, 2680, 2840, 3149, 3337, 3760, 4757, 5360, 5680, 6298, 6674, 9514, 12596, 13348, 15745, 16685, 19028, 23785, 25192, 26696, 31490, 33370, 38056, 47570, 50384, 53392, 62980, 66740, 76112, 95140, 125960, 133480, 190280, 223579, 251920, 266960, 380560, 447158, 894316, 1117895, 1788632, 2235790, 3577264, 4471580, 8943160, 17886320]

約数ペア:

[(1, 17886320), (2, 8943160), (4, 4471580), (5, 3577264), (8, 2235790), (10, 1788632), (16, 1117895), (20, 894316), (40, 447158), (47, 380560), (67, 266960), (71, 251920), (80, 223579), (94, 190280), (134, 133480), (142, 125960), (188, 95140), (235, 76112), (268, 66740), (284, 62980), (335, 53392), (355, 50384), (376, 47570), (470, 38056), (536, 33370), (568, 31490), (670, 26696), (710, 25192), (752, 23785), (940, 19028), (1072, 16685), (1136, 15745), (1340, 13348), (1420, 12596), (1880, 9514), (2680, 6674), (2840, 6298), (3149, 5680), (3337, 5360), (3760, 4757)]