78970880

素因数分解:

$2^{16}\times 5^1\times {\mathrm{241}}^1$

素因数の和:278

約数の個数: 68

約数和(自身を含む): 190315092

約数和(自身を除く): 111344212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 241, 256, 320, 482, 512, 640, 964, 1024, 1205, 1280, 1928, 2048, 2410, 2560, 3856, 4096, 4820, 5120, 7712, 8192, 9640, 10240, 15424, 16384, 19280, 20480, 30848, 32768, 38560, 40960, 61696, 65536, 77120, 81920, 123392, 154240, 163840, 246784, 308480, 327680, 493568, 616960, 987136, 1233920, 1974272, 2467840, 3948544, 4935680, 7897088, 9871360, 15794176, 19742720, 39485440, 78970880]

約数ペア:

[(1, 78970880), (2, 39485440), (4, 19742720), (5, 15794176), (8, 9871360), (10, 7897088), (16, 4935680), (20, 3948544), (32, 2467840), (40, 1974272), (64, 1233920), (80, 987136), (128, 616960), (160, 493568), (241, 327680), (256, 308480), (320, 246784), (482, 163840), (512, 154240), (640, 123392), (964, 81920), (1024, 77120), (1205, 65536), (1280, 61696), (1928, 40960), (2048, 38560), (2410, 32768), (2560, 30848), (3856, 20480), (4096, 19280), (4820, 16384), (5120, 15424), (7712, 10240), (8192, 9640)]