91242520

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{11579}}^1$

素因数の和:11787

約数の個数: 32

約数和(自身を含む): 206355600

約数和(自身を除く): 115113080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 11579, 23158, 46316, 57895, 92632, 115790, 231580, 463160, 2281063, 4562126, 9124252, 11405315, 18248504, 22810630, 45621260, 91242520]

約数ペア:

[(1, 91242520), (2, 45621260), (4, 22810630), (5, 18248504), (8, 11405315), (10, 9124252), (20, 4562126), (40, 2281063), (197, 463160), (394, 231580), (788, 115790), (985, 92632), (1576, 57895), (1970, 46316), (3940, 23158), (7880, 11579)]