816184520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{853}}^1\times {\mathrm{1259}}^1$

素因数の和:2142

約数の個数: 64

約数和(自身を含む): 1936872000

約数和(自身を除く): 1120687480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 853, 1259, 1706, 2518, 3412, 4265, 5036, 6295, 6824, 8530, 10072, 12590, 16207, 17060, 23921, 25180, 32414, 34120, 47842, 50360, 64828, 81035, 95684, 119605, 129656, 162070, 191368, 239210, 324140, 478420, 648280, 956840, 1073927, 2147854, 4295708, 5369635, 8591416, 10739270, 20404613, 21478540, 40809226, 42957080, 81618452, 102023065, 163236904, 204046130, 408092260, 816184520]

約数ペア:

[(1, 816184520), (2, 408092260), (4, 204046130), (5, 163236904), (8, 102023065), (10, 81618452), (19, 42957080), (20, 40809226), (38, 21478540), (40, 20404613), (76, 10739270), (95, 8591416), (152, 5369635), (190, 4295708), (380, 2147854), (760, 1073927), (853, 956840), (1259, 648280), (1706, 478420), (2518, 324140), (3412, 239210), (4265, 191368), (5036, 162070), (6295, 129656), (6824, 119605), (8530, 95684), (10072, 81035), (12590, 64828), (16207, 50360), (17060, 47842), (23921, 34120), (25180, 32414)]