20131840

素因数分解:

$2^{12}\times 5^1\times {\mathrm{983}}^1$

素因数の和:1012

約数の個数: 52

約数和(自身を含む): 48359664

約数和(自身を除く): 28227824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 983, 1024, 1280, 1966, 2048, 2560, 3932, 4096, 4915, 5120, 7864, 9830, 10240, 15728, 19660, 20480, 31456, 39320, 62912, 78640, 125824, 157280, 251648, 314560, 503296, 629120, 1006592, 1258240, 2013184, 2516480, 4026368, 5032960, 10065920, 20131840]

約数ペア:

[(1, 20131840), (2, 10065920), (4, 5032960), (5, 4026368), (8, 2516480), (10, 2013184), (16, 1258240), (20, 1006592), (32, 629120), (40, 503296), (64, 314560), (80, 251648), (128, 157280), (160, 125824), (256, 78640), (320, 62912), (512, 39320), (640, 31456), (983, 20480), (1024, 19660), (1280, 15728), (1966, 10240), (2048, 9830), (2560, 7864), (3932, 5120), (4096, 4915)]