134221520

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{8431}}^1$

素因数の和:8643

約数の個数: 40

約数和(自身を含む): 313670400

約数和(自身を除く): 179448880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 7960, 8431, 15920, 16862, 33724, 42155, 67448, 84310, 134896, 168620, 337240, 674480, 1677769, 3355538, 6711076, 8388845, 13422152, 16777690, 26844304, 33555380, 67110760, 134221520]

約数ペア:

[(1, 134221520), (2, 67110760), (4, 33555380), (5, 26844304), (8, 16777690), (10, 13422152), (16, 8388845), (20, 6711076), (40, 3355538), (80, 1677769), (199, 674480), (398, 337240), (796, 168620), (995, 134896), (1592, 84310), (1990, 67448), (3184, 42155), (3980, 33724), (7960, 16862), (8431, 15920)]