204424960

素因数分解:

$2^8\times 5^1\times {\mathrm{159707}}^1$

素因数の和:159728

約数の個数: 36

約数和(自身を含む): 489664728

約数和(自身を除く): 285239768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 159707, 319414, 638828, 798535, 1277656, 1597070, 2555312, 3194140, 5110624, 6388280, 10221248, 12776560, 20442496, 25553120, 40884992, 51106240, 102212480, 204424960]

約数ペア:

[(1, 204424960), (2, 102212480), (4, 51106240), (5, 40884992), (8, 25553120), (10, 20442496), (16, 12776560), (20, 10221248), (32, 6388280), (40, 5110624), (64, 3194140), (80, 2555312), (128, 1597070), (160, 1277656), (256, 798535), (320, 638828), (640, 319414), (1280, 159707)]