31777280

素因数分解:

$2^9\times 5^1\times {\mathrm{12413}}^1$

素因数の和:12436

約数の個数: 40

約数和(自身を含む): 76197132

約数和(自身を除く): 44419852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 12413, 24826, 49652, 62065, 99304, 124130, 198608, 248260, 397216, 496520, 794432, 993040, 1588864, 1986080, 3177728, 3972160, 6355456, 7944320, 15888640, 31777280]

約数ペア:

[(1, 31777280), (2, 15888640), (4, 7944320), (5, 6355456), (8, 3972160), (10, 3177728), (16, 1986080), (20, 1588864), (32, 993040), (40, 794432), (64, 496520), (80, 397216), (128, 248260), (160, 198608), (256, 124130), (320, 99304), (512, 62065), (640, 49652), (1280, 24826), (2560, 12413)]