40368440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{144173}}^1$

素因数の和:144191

約数の個数: 32

約数和(自身を含む): 103805280

約数和(自身を除く): 63436840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 144173, 288346, 576692, 720865, 1009211, 1153384, 1441730, 2018422, 2883460, 4036844, 5046055, 5766920, 8073688, 10092110, 20184220, 40368440]

約数ペア:

[(1, 40368440), (2, 20184220), (4, 10092110), (5, 8073688), (7, 5766920), (8, 5046055), (10, 4036844), (14, 2883460), (20, 2018422), (28, 1441730), (35, 1153384), (40, 1009211), (56, 720865), (70, 576692), (140, 288346), (280, 144173)]