78909440

素因数分解:

$2^{12}\times 5^1\times {\mathrm{3853}}^1$

素因数の和:3882

約数の個数: 52

約数和(自身を含む): 189408684

約数和(自身を除く): 110499244

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, 3853, 4096, 5120, 7706, 10240, 15412, 19265, 20480, 30824, 38530, 61648, 77060, 123296, 154120, 246592, 308240, 493184, 616480, 986368, 1232960, 1972736, 2465920, 3945472, 4931840, 7890944, 9863680, 15781888, 19727360, 39454720, 78909440]

約数ペア:

[(1, 78909440), (2, 39454720), (4, 19727360), (5, 15781888), (8, 9863680), (10, 7890944), (16, 4931840), (20, 3945472), (32, 2465920), (40, 1972736), (64, 1232960), (80, 986368), (128, 616480), (160, 493184), (256, 308240), (320, 246592), (512, 154120), (640, 123296), (1024, 77060), (1280, 61648), (2048, 38530), (2560, 30824), (3853, 20480), (4096, 19265), (5120, 15412), (7706, 10240)]