201764680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{388009}}^1$

素因数の和:388033

約数の個数: 32

約数和(自身を含む): 488892600

約数和(自身を除く): 287127920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 388009, 776018, 1552036, 1940045, 3104072, 3880090, 5044117, 7760180, 10088234, 15520360, 20176468, 25220585, 40352936, 50441170, 100882340, 201764680]

約数ペア:

[(1, 201764680), (2, 100882340), (4, 50441170), (5, 40352936), (8, 25220585), (10, 20176468), (13, 15520360), (20, 10088234), (26, 7760180), (40, 5044117), (52, 3880090), (65, 3104072), (104, 1940045), (130, 1552036), (260, 776018), (520, 388009)]