51381760

素因数分解:

$2^9\times 5^1\times {\mathrm{20071}}^1$

素因数の和:20094

約数の個数: 40

約数和(自身を含む): 123201936

約数和(自身を除く): 71820176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 20071, 40142, 80284, 100355, 160568, 200710, 321136, 401420, 642272, 802840, 1284544, 1605680, 2569088, 3211360, 5138176, 6422720, 10276352, 12845440, 25690880, 51381760]

約数ペア:

[(1, 51381760), (2, 25690880), (4, 12845440), (5, 10276352), (8, 6422720), (10, 5138176), (16, 3211360), (20, 2569088), (32, 1605680), (40, 1284544), (64, 802840), (80, 642272), (128, 401420), (160, 321136), (256, 200710), (320, 160568), (512, 100355), (640, 80284), (1280, 40142), (2560, 20071)]