80291840

素因数分解:

$2^{11}\times 5^1\times {\mathrm{7841}}^1$

素因数の和:7868

約数の個数: 48

約数和(自身を含む): 192677940

約数和(自身を除く): 112386100

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, 7841, 10240, 15682, 31364, 39205, 62728, 78410, 125456, 156820, 250912, 313640, 501824, 627280, 1003648, 1254560, 2007296, 2509120, 4014592, 5018240, 8029184, 10036480, 16058368, 20072960, 40145920, 80291840]

約数ペア:

[(1, 80291840), (2, 40145920), (4, 20072960), (5, 16058368), (8, 10036480), (10, 8029184), (16, 5018240), (20, 4014592), (32, 2509120), (40, 2007296), (64, 1254560), (80, 1003648), (128, 627280), (160, 501824), (256, 313640), (320, 250912), (512, 156820), (640, 125456), (1024, 78410), (1280, 62728), (2048, 39205), (2560, 31364), (5120, 15682), (7841, 10240)]