1250101760

素因数分解:

$2^9\times 5^1\times {\mathrm{488321}}^1$

素因数の和:488344

約数の個数: 40

約数和(自身を含む): 2997320436

約数和(自身を除く): 1747218676

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 488321, 976642, 1953284, 2441605, 3906568, 4883210, 7813136, 9766420, 15626272, 19532840, 31252544, 39065680, 62505088, 78131360, 125010176, 156262720, 250020352, 312525440, 625050880, 1250101760]

約数ペア:

[(1, 1250101760), (2, 625050880), (4, 312525440), (5, 250020352), (8, 156262720), (10, 125010176), (16, 78131360), (20, 62505088), (32, 39065680), (40, 31252544), (64, 19532840), (80, 15626272), (128, 9766420), (160, 7813136), (256, 4883210), (320, 3906568), (512, 2441605), (640, 1953284), (1280, 976642), (2560, 488321)]