285347840

素因数分解:

$2^{12}\times 5^1\times {\mathrm{13933}}^1$

素因数の和:13962

約数の個数: 52

約数和(自身を含む): 684800364

約数和(自身を除く): 399452524

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 4096, 5120, 10240, 13933, 20480, 27866, 55732, 69665, 111464, 139330, 222928, 278660, 445856, 557320, 891712, 1114640, 1783424, 2229280, 3566848, 4458560, 7133696, 8917120, 14267392, 17834240, 28534784, 35668480, 57069568, 71336960, 142673920, 285347840]

約数ペア:

[(1, 285347840), (2, 142673920), (4, 71336960), (5, 57069568), (8, 35668480), (10, 28534784), (16, 17834240), (20, 14267392), (32, 8917120), (40, 7133696), (64, 4458560), (80, 3566848), (128, 2229280), (160, 1783424), (256, 1114640), (320, 891712), (512, 557320), (640, 445856), (1024, 278660), (1280, 222928), (2048, 139330), (2560, 111464), (4096, 69665), (5120, 55732), (10240, 27866), (13933, 20480)]