39201280

素因数分解:

$2^9\times 5^1\times {\mathrm{15313}}^1$

素因数の和:15336

約数の個数: 40

約数和(自身を含む): 93997332

約数和(自身を除く): 54796052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 15313, 30626, 61252, 76565, 122504, 153130, 245008, 306260, 490016, 612520, 980032, 1225040, 1960064, 2450080, 3920128, 4900160, 7840256, 9800320, 19600640, 39201280]

約数ペア:

[(1, 39201280), (2, 19600640), (4, 9800320), (5, 7840256), (8, 4900160), (10, 3920128), (16, 2450080), (20, 1960064), (32, 1225040), (40, 980032), (64, 612520), (80, 490016), (128, 306260), (160, 245008), (256, 153130), (320, 122504), (512, 76565), (640, 61252), (1280, 30626), (2560, 15313)]