8439320

素因数分解:

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

素因数の和:192

約数の個数: 48

約数和(自身を含む): 19686240

約数和(自身を除く): 11246920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 67, 94, 134, 188, 235, 268, 335, 376, 470, 536, 670, 940, 1340, 1880, 2680, 3149, 4489, 6298, 8978, 12596, 15745, 17956, 22445, 25192, 31490, 35912, 44890, 62980, 89780, 125960, 179560, 210983, 421966, 843932, 1054915, 1687864, 2109830, 4219660, 8439320]

約数ペア:

[(1, 8439320), (2, 4219660), (4, 2109830), (5, 1687864), (8, 1054915), (10, 843932), (20, 421966), (40, 210983), (47, 179560), (67, 125960), (94, 89780), (134, 62980), (188, 44890), (235, 35912), (268, 31490), (335, 25192), (376, 22445), (470, 17956), (536, 15745), (670, 12596), (940, 8978), (1340, 6298), (1880, 4489), (2680, 3149)]