65265920

素因数分解:

$2^8\times 5^1\times {\mathrm{50989}}^1$

素因数の和:51010

約数の個数: 36

約数和(自身を含む): 156335340

約数和(自身を除く): 91069420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 50989, 101978, 203956, 254945, 407912, 509890, 815824, 1019780, 1631648, 2039560, 3263296, 4079120, 6526592, 8158240, 13053184, 16316480, 32632960, 65265920]

約数ペア:

[(1, 65265920), (2, 32632960), (4, 16316480), (5, 13053184), (8, 8158240), (10, 6526592), (16, 4079120), (20, 3263296), (32, 2039560), (40, 1631648), (64, 1019780), (80, 815824), (128, 509890), (160, 407912), (256, 254945), (320, 203956), (640, 101978), (1280, 50989)]