31325440

素因数分解:

$2^8\times 5^1\times {\mathrm{24473}}^1$

素因数の和:24494

約数の個数: 36

約数和(自身を含む): 75037284

約数和(自身を除く): 43711844

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 24473, 48946, 97892, 122365, 195784, 244730, 391568, 489460, 783136, 978920, 1566272, 1957840, 3132544, 3915680, 6265088, 7831360, 15662720, 31325440]

約数ペア:

[(1, 31325440), (2, 15662720), (4, 7831360), (5, 6265088), (8, 3915680), (10, 3132544), (16, 1957840), (20, 1566272), (32, 978920), (40, 783136), (64, 489460), (80, 391568), (128, 244730), (160, 195784), (256, 122365), (320, 97892), (640, 48946), (1280, 24473)]