640569344

素因数分解:

$2^{12}\times {\mathrm{19}}^1\times {\mathrm{8231}}^1$

素因数の和:8274

約数の個数: 52

約数和(自身を含む): 1348566240

約数和(自身を除く): 707996896

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1024, 1216, 2048, 2432, 4096, 4864, 8231, 9728, 16462, 19456, 32924, 38912, 65848, 77824, 131696, 156389, 263392, 312778, 526784, 625556, 1053568, 1251112, 2107136, 2502224, 4214272, 5004448, 8428544, 10008896, 16857088, 20017792, 33714176, 40035584, 80071168, 160142336, 320284672, 640569344]

約数ペア:

[(1, 640569344), (2, 320284672), (4, 160142336), (8, 80071168), (16, 40035584), (19, 33714176), (32, 20017792), (38, 16857088), (64, 10008896), (76, 8428544), (128, 5004448), (152, 4214272), (256, 2502224), (304, 2107136), (512, 1251112), (608, 1053568), (1024, 625556), (1216, 526784), (2048, 312778), (2432, 263392), (4096, 156389), (4864, 131696), (8231, 77824), (9728, 65848), (16462, 38912), (19456, 32924)]