87446919760

素因数分解:

$2^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{643}}^1\times {\mathrm{4871}}^1$

素因数の和:5876

約数の個数: 80

約数和(自身を含む): 204255676800

約数和(自身を除く): 116808757040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349, 643, 698, 1286, 1396, 1745, 2572, 2792, 3215, 3490, 4871, 5144, 5584, 6430, 6980, 9742, 10288, 12860, 13960, 19484, 24355, 25720, 27920, 38968, 48710, 51440, 77936, 97420, 194840, 224407, 389680, 448814, 897628, 1122035, 1699979, 1795256, 2244070, 3132053, 3399958, 3590512, 4488140, 6264106, 6799916, 8499895, 8976280, 12528212, 13599832, 15660265, 16999790, 17952560, 25056424, 27199664, 31320530, 33999580, 50112848, 62641060, 67999160, 125282120, 135998320, 250564240, 1093086497, 2186172994, 4372345988, 5465432485, 8744691976, 10930864970, 17489383952, 21861729940, 43723459880, 87446919760]

約数ペア:

[(1, 87446919760), (2, 43723459880), (4, 21861729940), (5, 17489383952), (8, 10930864970), (10, 8744691976), (16, 5465432485), (20, 4372345988), (40, 2186172994), (80, 1093086497), (349, 250564240), (643, 135998320), (698, 125282120), (1286, 67999160), (1396, 62641060), (1745, 50112848), (2572, 33999580), (2792, 31320530), (3215, 27199664), (3490, 25056424), (4871, 17952560), (5144, 16999790), (5584, 15660265), (6430, 13599832), (6980, 12528212), (9742, 8976280), (10288, 8499895), (12860, 6799916), (13960, 6264106), (19484, 4488140), (24355, 3590512), (25720, 3399958), (27920, 3132053), (38968, 2244070), (48710, 1795256), (51440, 1699979), (77936, 1122035), (97420, 897628), (194840, 448814), (224407, 389680)]