8943160

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:196

約数の個数: 64

約数和(自身を含む): 21150720

約数和(自身を除く): 12207560

約数列:

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

約数ペア:

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