80440276

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{22621}}^1$

素因数の和:22759

約数の個数: 24

約数和(自身を含む): 162154496

約数和(自身を除く): 81714220

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 3556, 22621, 45242, 90484, 158347, 316694, 633388, 2872867, 5745734, 11491468, 20110069, 40220138, 80440276]

約数ペア:

[(1, 80440276), (2, 40220138), (4, 20110069), (7, 11491468), (14, 5745734), (28, 2872867), (127, 633388), (254, 316694), (508, 158347), (889, 90484), (1778, 45242), (3556, 22621)]