66489760

素因数分解:

$2^5\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2789}}^1$

素因数の和:2953

約数の個数: 48

約数和(自身を含む): 158193000

約数和(自身を除く): 91703240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 149, 160, 298, 596, 745, 1192, 1490, 2384, 2789, 2980, 4768, 5578, 5960, 11156, 11920, 13945, 22312, 23840, 27890, 44624, 55780, 89248, 111560, 223120, 415561, 446240, 831122, 1662244, 2077805, 3324488, 4155610, 6648976, 8311220, 13297952, 16622440, 33244880, 66489760]

約数ペア:

[(1, 66489760), (2, 33244880), (4, 16622440), (5, 13297952), (8, 8311220), (10, 6648976), (16, 4155610), (20, 3324488), (32, 2077805), (40, 1662244), (80, 831122), (149, 446240), (160, 415561), (298, 223120), (596, 111560), (745, 89248), (1192, 55780), (1490, 44624), (2384, 27890), (2789, 23840), (2980, 22312), (4768, 13945), (5578, 11920), (5960, 11156)]