65169920

素因数分解:

$2^9\times 5^1\times {\mathrm{25457}}^1$

素因数の和:25480

約数の個数: 40

約数和(自身を含む): 156261204

約数和(自身を除く): 91091284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 25457, 50914, 101828, 127285, 203656, 254570, 407312, 509140, 814624, 1018280, 1629248, 2036560, 3258496, 4073120, 6516992, 8146240, 13033984, 16292480, 32584960, 65169920]

約数ペア:

[(1, 65169920), (2, 32584960), (4, 16292480), (5, 13033984), (8, 8146240), (10, 6516992), (16, 4073120), (20, 3258496), (32, 2036560), (40, 1629248), (64, 1018280), (80, 814624), (128, 509140), (160, 407312), (256, 254570), (320, 203656), (512, 127285), (640, 101828), (1280, 50914), (2560, 25457)]