100796680

素因数分解:

$2^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{3919}}^1$

素因数の和:4573

約数の個数: 32

約数和(自身を含む): 227203200

約数和(自身を除く): 126406520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 643, 1286, 2572, 3215, 3919, 5144, 6430, 7838, 12860, 15676, 19595, 25720, 31352, 39190, 78380, 156760, 2519917, 5039834, 10079668, 12599585, 20159336, 25199170, 50398340, 100796680]

約数ペア:

[(1, 100796680), (2, 50398340), (4, 25199170), (5, 20159336), (8, 12599585), (10, 10079668), (20, 5039834), (40, 2519917), (643, 156760), (1286, 78380), (2572, 39190), (3215, 31352), (3919, 25720), (5144, 19595), (6430, 15676), (7838, 12860)]