20237616440

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{63409}}^1$

素因数の和:63600

約数の個数: 64

約数和(自身を含む): 46568304000

約数和(自身を除く): 26330687560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 101, 158, 202, 316, 395, 404, 505, 632, 790, 808, 1010, 1580, 2020, 3160, 4040, 7979, 15958, 31916, 39895, 63409, 63832, 79790, 126818, 159580, 253636, 317045, 319160, 507272, 634090, 1268180, 2536360, 5009311, 6404309, 10018622, 12808618, 20037244, 25046555, 25617236, 32021545, 40074488, 50093110, 51234472, 64043090, 100186220, 128086180, 200372440, 256172360, 505940411, 1011880822, 2023761644, 2529702055, 4047523288, 5059404110, 10118808220, 20237616440]

約数ペア:

[(1, 20237616440), (2, 10118808220), (4, 5059404110), (5, 4047523288), (8, 2529702055), (10, 2023761644), (20, 1011880822), (40, 505940411), (79, 256172360), (101, 200372440), (158, 128086180), (202, 100186220), (316, 64043090), (395, 51234472), (404, 50093110), (505, 40074488), (632, 32021545), (790, 25617236), (808, 25046555), (1010, 20037244), (1580, 12808618), (2020, 10018622), (3160, 6404309), (4040, 5009311), (7979, 2536360), (15958, 1268180), (31916, 634090), (39895, 507272), (63409, 319160), (63832, 317045), (79790, 253636), (126818, 159580)]