81903020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{77267}}^1$

素因数の和:77329

約数の個数: 24

約数和(自身を含む): 175243824

約数和(自身を除く): 93340804

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 77267, 154534, 309068, 386335, 772670, 1545340, 4095151, 8190302, 16380604, 20475755, 40951510, 81903020]

約数ペア:

[(1, 81903020), (2, 40951510), (4, 20475755), (5, 16380604), (10, 8190302), (20, 4095151), (53, 1545340), (106, 772670), (212, 386335), (265, 309068), (530, 154534), (1060, 77267)]