8220664720

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{21647}}^1$

素因数の和:21808

約数の個数: 80

約数和(自身を含む): 19713881088

約数和(自身を除く): 11493216368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 101, 188, 202, 235, 376, 404, 470, 505, 752, 808, 940, 1010, 1616, 1880, 2020, 3760, 4040, 4747, 8080, 9494, 18988, 21647, 23735, 37976, 43294, 47470, 75952, 86588, 94940, 108235, 173176, 189880, 216470, 346352, 379760, 432940, 865880, 1017409, 1731760, 2034818, 2186347, 4069636, 4372694, 5087045, 8139272, 8745388, 10174090, 10931735, 16278544, 17490776, 20348180, 21863470, 34981552, 40696360, 43726940, 81392720, 87453880, 102758309, 174907760, 205516618, 411033236, 513791545, 822066472, 1027583090, 1644132944, 2055166180, 4110332360, 8220664720]

約数ペア:

[(1, 8220664720), (2, 4110332360), (4, 2055166180), (5, 1644132944), (8, 1027583090), (10, 822066472), (16, 513791545), (20, 411033236), (40, 205516618), (47, 174907760), (80, 102758309), (94, 87453880), (101, 81392720), (188, 43726940), (202, 40696360), (235, 34981552), (376, 21863470), (404, 20348180), (470, 17490776), (505, 16278544), (752, 10931735), (808, 10174090), (940, 8745388), (1010, 8139272), (1616, 5087045), (1880, 4372694), (2020, 4069636), (3760, 2186347), (4040, 2034818), (4747, 1731760), (8080, 1017409), (9494, 865880), (18988, 432940), (21647, 379760), (23735, 346352), (37976, 216470), (43294, 189880), (47470, 173176), (75952, 108235), (86588, 94940)]