2017421440

素因数分解:

$2^7\times 5^1\times {\mathrm{3152221}}^1$

素因数の和:3152240

約数の個数: 32

約数和(自身を含む): 4822899660

約数和(自身を除く): 2805478220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 3152221, 6304442, 12608884, 15761105, 25217768, 31522210, 50435536, 63044420, 100871072, 126088840, 201742144, 252177680, 403484288, 504355360, 1008710720, 2017421440]

約数ペア:

[(1, 2017421440), (2, 1008710720), (4, 504355360), (5, 403484288), (8, 252177680), (10, 201742144), (16, 126088840), (20, 100871072), (32, 63044420), (40, 50435536), (64, 31522210), (80, 25217768), (128, 15761105), (160, 12608884), (320, 6304442), (640, 3152221)]