1640385200

素因数分解:

$2^4\times 5^2\times {\mathrm{4100963}}^1$

素因数の和:4100981

約数の個数: 30

約数和(自身を含む): 3941026404

約数和(自身を除く): 2300641204

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 4100963, 8201926, 16403852, 20504815, 32807704, 41009630, 65615408, 82019260, 102524075, 164038520, 205048150, 328077040, 410096300, 820192600, 1640385200]

約数ペア:

[(1, 1640385200), (2, 820192600), (4, 410096300), (5, 328077040), (8, 205048150), (10, 164038520), (16, 102524075), (20, 82019260), (25, 65615408), (40, 41009630), (50, 32807704), (80, 20504815), (100, 16403852), (200, 8201926), (400, 4100963)]