86805440

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4447}}^1$

素因数の和:4525

約数の個数: 56

約数和(自身を含む): 210141312

約数和(自身を除く): 123335872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1220, 1952, 2440, 3904, 4447, 4880, 8894, 9760, 17788, 19520, 22235, 35576, 44470, 71152, 88940, 142304, 177880, 271267, 284608, 355760, 542534, 711520, 1085068, 1356335, 1423040, 2170136, 2712670, 4340272, 5425340, 8680544, 10850680, 17361088, 21701360, 43402720, 86805440]

約数ペア:

[(1, 86805440), (2, 43402720), (4, 21701360), (5, 17361088), (8, 10850680), (10, 8680544), (16, 5425340), (20, 4340272), (32, 2712670), (40, 2170136), (61, 1423040), (64, 1356335), (80, 1085068), (122, 711520), (160, 542534), (244, 355760), (305, 284608), (320, 271267), (488, 177880), (610, 142304), (976, 88940), (1220, 71152), (1952, 44470), (2440, 35576), (3904, 22235), (4447, 19520), (4880, 17788), (8894, 9760)]