71732440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137947}}^1$

素因数の和:137971

約数の個数: 32

約数和(自身を含む): 173814480

約数和(自身を除く): 102082040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 137947, 275894, 551788, 689735, 1103576, 1379470, 1793311, 2758940, 3586622, 5517880, 7173244, 8966555, 14346488, 17933110, 35866220, 71732440]

約数ペア:

[(1, 71732440), (2, 35866220), (4, 17933110), (5, 14346488), (8, 8966555), (10, 7173244), (13, 5517880), (20, 3586622), (26, 2758940), (40, 1793311), (52, 1379470), (65, 1103576), (104, 689735), (130, 551788), (260, 275894), (520, 137947)]