680069120

素因数分解:

$2^{11}\times 5^1\times {\mathrm{66413}}^1$

素因数の和:66440

約数の個数: 48

約数和(自身を含む): 1631791980

約数和(自身を除く): 951722860

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, 5120, 10240, 66413, 132826, 265652, 332065, 531304, 664130, 1062608, 1328260, 2125216, 2656520, 4250432, 5313040, 8500864, 10626080, 17001728, 21252160, 34003456, 42504320, 68006912, 85008640, 136013824, 170017280, 340034560, 680069120]

約数ペア:

[(1, 680069120), (2, 340034560), (4, 170017280), (5, 136013824), (8, 85008640), (10, 68006912), (16, 42504320), (20, 34003456), (32, 21252160), (40, 17001728), (64, 10626080), (80, 8500864), (128, 5313040), (160, 4250432), (256, 2656520), (320, 2125216), (512, 1328260), (640, 1062608), (1024, 664130), (1280, 531304), (2048, 332065), (2560, 265652), (5120, 132826), (10240, 66413)]