201297980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{774223}}^1$

素因数の和:774245

約数の個数: 24

約数和(自身を含む): 455243712

約数和(自身を除く): 253945732

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 774223, 1548446, 3096892, 3871115, 7742230, 10064899, 15484460, 20129798, 40259596, 50324495, 100648990, 201297980]

約数ペア:

[(1, 201297980), (2, 100648990), (4, 50324495), (5, 40259596), (10, 20129798), (13, 15484460), (20, 10064899), (26, 7742230), (52, 3871115), (65, 3096892), (130, 1548446), (260, 774223)]