71559680

素因数分解:

$2^9\times 5^1\times {\mathrm{27953}}^1$

素因数の和:27976

約数の個数: 40

約数和(自身を含む): 171581652

約数和(自身を除く): 100021972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 27953, 55906, 111812, 139765, 223624, 279530, 447248, 559060, 894496, 1118120, 1788992, 2236240, 3577984, 4472480, 7155968, 8944960, 14311936, 17889920, 35779840, 71559680]

約数ペア:

[(1, 71559680), (2, 35779840), (4, 17889920), (5, 14311936), (8, 8944960), (10, 7155968), (16, 4472480), (20, 3577984), (32, 2236240), (40, 1788992), (64, 1118120), (80, 894496), (128, 559060), (160, 447248), (256, 279530), (320, 223624), (512, 139765), (640, 111812), (1280, 55906), (2560, 27953)]