211064360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{405893}}^1$

素因数の和:405917

約数の個数: 32

約数和(自身を含む): 511426440

約数和(自身を除く): 300362080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 405893, 811786, 1623572, 2029465, 3247144, 4058930, 5276609, 8117860, 10553218, 16235720, 21106436, 26383045, 42212872, 52766090, 105532180, 211064360]

約数ペア:

[(1, 211064360), (2, 105532180), (4, 52766090), (5, 42212872), (8, 26383045), (10, 21106436), (13, 16235720), (20, 10553218), (26, 8117860), (40, 5276609), (52, 4058930), (65, 3247144), (104, 2029465), (130, 1623572), (260, 811786), (520, 405893)]