156985390840

素因数分解:

$2^3\times 5^1\times {\mathrm{3924634771}}^1$

素因数の和:3924634782

約数の個数: 16

約数和(自身を含む): 353217129480

約数和(自身を除く): 196231738640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3924634771, 7849269542, 15698539084, 19623173855, 31397078168, 39246347710, 78492695420, 156985390840]

約数ペア:

[(1, 156985390840), (2, 78492695420), (4, 39246347710), (5, 31397078168), (8, 19623173855), (10, 15698539084), (20, 7849269542), (40, 3924634771)]