87868060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{10289}}^1$

素因数の和:10366

約数の個数: 48

約数和(自身を含む): 214361280

約数和(自身を除く): 126493220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 10289, 20578, 41156, 51445, 72023, 102890, 144046, 205780, 288092, 360115, 627629, 720230, 1255258, 1440460, 2510516, 3138145, 4393403, 6276290, 8786806, 12552580, 17573612, 21967015, 43934030, 87868060]

約数ペア:

[(1, 87868060), (2, 43934030), (4, 21967015), (5, 17573612), (7, 12552580), (10, 8786806), (14, 6276290), (20, 4393403), (28, 3138145), (35, 2510516), (61, 1440460), (70, 1255258), (122, 720230), (140, 627629), (244, 360115), (305, 288092), (427, 205780), (610, 144046), (854, 102890), (1220, 72023), (1708, 51445), (2135, 41156), (4270, 20578), (8540, 10289)]