317342720

素因数分解:

$2^{10}\times 5^1\times {\mathrm{61981}}^1$

素因数の和:62006

約数の個数: 44

約数和(自身を含む): 761262924

約数和(自身を除く): 443920204

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 61981, 123962, 247924, 309905, 495848, 619810, 991696, 1239620, 1983392, 2479240, 3966784, 4958480, 7933568, 9916960, 15867136, 19833920, 31734272, 39667840, 63468544, 79335680, 158671360, 317342720]

約数ペア:

[(1, 317342720), (2, 158671360), (4, 79335680), (5, 63468544), (8, 39667840), (10, 31734272), (16, 19833920), (20, 15867136), (32, 9916960), (40, 7933568), (64, 4958480), (80, 3966784), (128, 2479240), (160, 1983392), (256, 1239620), (320, 991696), (512, 619810), (640, 495848), (1024, 309905), (1280, 247924), (2560, 123962), (5120, 61981)]