65856940

素因数分解:

$2^2\times 5^1\times {\mathrm{761}}^1\times {\mathrm{4327}}^1$

素因数の和:5097

約数の個数: 24

約数和(自身を含む): 138513312

約数和(自身を除く): 72656372

約数列:

[1, 2, 4, 5, 10, 20, 761, 1522, 3044, 3805, 4327, 7610, 8654, 15220, 17308, 21635, 43270, 86540, 3292847, 6585694, 13171388, 16464235, 32928470, 65856940]

約数ペア:

[(1, 65856940), (2, 32928470), (4, 16464235), (5, 13171388), (10, 6585694), (20, 3292847), (761, 86540), (1522, 43270), (3044, 21635), (3805, 17308), (4327, 15220), (7610, 8654)]