87841280

素因数分解:

$2^9\times 5^1\times {\mathrm{34313}}^1$

素因数の和:34336

約数の個数: 40

約数和(自身を含む): 210619332

約数和(自身を除く): 122778052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 34313, 68626, 137252, 171565, 274504, 343130, 549008, 686260, 1098016, 1372520, 2196032, 2745040, 4392064, 5490080, 8784128, 10980160, 17568256, 21960320, 43920640, 87841280]

約数ペア:

[(1, 87841280), (2, 43920640), (4, 21960320), (5, 17568256), (8, 10980160), (10, 8784128), (16, 5490080), (20, 4392064), (32, 2745040), (40, 2196032), (64, 1372520), (80, 1098016), (128, 686260), (160, 549008), (256, 343130), (320, 274504), (512, 171565), (640, 137252), (1280, 68626), (2560, 34313)]