79921664

素因数分解:

$2^9\times {\mathrm{139}}^1\times {\mathrm{1123}}^1$

素因数の和:1280

約数の個数: 40

約数和(自身を含む): 160979280

約数和(自身を除く): 81057616

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 139, 256, 278, 512, 556, 1112, 1123, 2224, 2246, 4448, 4492, 8896, 8984, 17792, 17968, 35584, 35936, 71168, 71872, 143744, 156097, 287488, 312194, 574976, 624388, 1248776, 2497552, 4995104, 9990208, 19980416, 39960832, 79921664]

約数ペア:

[(1, 79921664), (2, 39960832), (4, 19980416), (8, 9990208), (16, 4995104), (32, 2497552), (64, 1248776), (128, 624388), (139, 574976), (256, 312194), (278, 287488), (512, 156097), (556, 143744), (1112, 71872), (1123, 71168), (2224, 35936), (2246, 35584), (4448, 17968), (4492, 17792), (8896, 8984)]