57158140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{219839}}^1$

素因数の和:219861

約数の個数: 24

約数和(自身を含む): 129265920

約数和(自身を除く): 72107780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 219839, 439678, 879356, 1099195, 2198390, 2857907, 4396780, 5715814, 11431628, 14289535, 28579070, 57158140]

約数ペア:

[(1, 57158140), (2, 28579070), (4, 14289535), (5, 11431628), (10, 5715814), (13, 4396780), (20, 2857907), (26, 2198390), (52, 1099195), (65, 879356), (130, 439678), (260, 219839)]