80810908

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{317}}^1\times {\mathrm{631}}^1$

素因数の和:1053

約数の個数: 24

約数和(自身を含む): 143496864

約数和(自身を除く): 62685956

約数列:

[1, 2, 4, 101, 202, 317, 404, 631, 634, 1262, 1268, 2524, 32017, 63731, 64034, 127462, 128068, 200027, 254924, 400054, 800108, 20202727, 40405454, 80810908]

約数ペア:

[(1, 80810908), (2, 40405454), (4, 20202727), (101, 800108), (202, 400054), (317, 254924), (404, 200027), (631, 128068), (634, 127462), (1262, 64034), (1268, 63731), (2524, 32017)]