2017315840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{394007}}^1$

素因数の和:394032

約数の個数: 44

約数和(自身を含む): 4839206256

約数和(自身を除く): 2821890416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 394007, 788014, 1576028, 1970035, 3152056, 3940070, 6304112, 7880140, 12608224, 15760280, 25216448, 31520560, 50432896, 63041120, 100865792, 126082240, 201731584, 252164480, 403463168, 504328960, 1008657920, 2017315840]

約数ペア:

[(1, 2017315840), (2, 1008657920), (4, 504328960), (5, 403463168), (8, 252164480), (10, 201731584), (16, 126082240), (20, 100865792), (32, 63041120), (40, 50432896), (64, 31520560), (80, 25216448), (128, 15760280), (160, 12608224), (256, 7880140), (320, 6304112), (512, 3940070), (640, 3152056), (1024, 1970035), (1280, 1576028), (2560, 788014), (5120, 394007)]