87754420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337517}}^1$

素因数の和:337539

約数の個数: 24

約数和(自身を含む): 198460584

約数和(自身を除く): 110706164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 337517, 675034, 1350068, 1687585, 3375170, 4387721, 6750340, 8775442, 17550884, 21938605, 43877210, 87754420]

約数ペア:

[(1, 87754420), (2, 43877210), (4, 21938605), (5, 17550884), (10, 8775442), (13, 6750340), (20, 4387721), (26, 3375170), (52, 1687585), (65, 1350068), (130, 675034), (260, 337517)]