208805840

素因数分解:

$2^4\times 5^1\times {\mathrm{1373}}^1\times {\mathrm{1901}}^1$

素因数の和:3287

約数の個数: 40

約数和(自身を含む): 486082728

約数和(自身を除く): 277276888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1373, 1901, 2746, 3802, 5492, 6865, 7604, 9505, 10984, 13730, 15208, 19010, 21968, 27460, 30416, 38020, 54920, 76040, 109840, 152080, 2610073, 5220146, 10440292, 13050365, 20880584, 26100730, 41761168, 52201460, 104402920, 208805840]

約数ペア:

[(1, 208805840), (2, 104402920), (4, 52201460), (5, 41761168), (8, 26100730), (10, 20880584), (16, 13050365), (20, 10440292), (40, 5220146), (80, 2610073), (1373, 152080), (1901, 109840), (2746, 76040), (3802, 54920), (5492, 38020), (6865, 30416), (7604, 27460), (9505, 21968), (10984, 19010), (13730, 15208)]