28748173880

素因数分解:

$2^3\times 5^1\times {\mathrm{1879}}^1\times {\mathrm{382493}}^1$

素因数の和:384383

約数の個数: 32

約数和(自身を含む): 64717984800

約数和(自身を除く): 35969810920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1879, 3758, 7516, 9395, 15032, 18790, 37580, 75160, 382493, 764986, 1529972, 1912465, 3059944, 3824930, 7649860, 15299720, 718704347, 1437408694, 2874817388, 3593521735, 5749634776, 7187043470, 14374086940, 28748173880]

約数ペア:

[(1, 28748173880), (2, 14374086940), (4, 7187043470), (5, 5749634776), (8, 3593521735), (10, 2874817388), (20, 1437408694), (40, 718704347), (1879, 15299720), (3758, 7649860), (7516, 3824930), (9395, 3059944), (15032, 1912465), (18790, 1529972), (37580, 764986), (75160, 382493)]