29481520

素因数分解:

$2^4\times 5^1\times {\mathrm{401}}^1\times {\mathrm{919}}^1$

素因数の和:1333

約数の個数: 40

約数和(自身を含む): 68790240

約数和(自身を除く): 39308720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 401, 802, 919, 1604, 1838, 2005, 3208, 3676, 4010, 4595, 6416, 7352, 8020, 9190, 14704, 16040, 18380, 32080, 36760, 73520, 368519, 737038, 1474076, 1842595, 2948152, 3685190, 5896304, 7370380, 14740760, 29481520]

約数ペア:

[(1, 29481520), (2, 14740760), (4, 7370380), (5, 5896304), (8, 3685190), (10, 2948152), (16, 1842595), (20, 1474076), (40, 737038), (80, 368519), (401, 73520), (802, 36760), (919, 32080), (1604, 18380), (1838, 16040), (2005, 14704), (3208, 9190), (3676, 8020), (4010, 7352), (4595, 6416)]