78986240

素因数分解:

$2^{10}\times 5^1\times {\mathrm{15427}}^1$

素因数の和:15452

約数の個数: 44

約数和(自身を含む): 189486696

約数和(自身を除く): 110500456

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, 15427, 30854, 61708, 77135, 123416, 154270, 246832, 308540, 493664, 617080, 987328, 1234160, 1974656, 2468320, 3949312, 4936640, 7898624, 9873280, 15797248, 19746560, 39493120, 78986240]

約数ペア:

[(1, 78986240), (2, 39493120), (4, 19746560), (5, 15797248), (8, 9873280), (10, 7898624), (16, 4936640), (20, 3949312), (32, 2468320), (40, 1974656), (64, 1234160), (80, 987328), (128, 617080), (160, 493664), (256, 308540), (320, 246832), (512, 154270), (640, 123416), (1024, 77135), (1280, 61708), (2560, 30854), (5120, 15427)]