40056220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{991}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 87994368

約数和(自身を除く): 47938148

約数列:

[1, 2, 4, 5, 10, 20, 43, 47, 86, 94, 172, 188, 215, 235, 430, 470, 860, 940, 991, 1982, 2021, 3964, 4042, 4955, 8084, 9910, 10105, 19820, 20210, 40420, 42613, 46577, 85226, 93154, 170452, 186308, 213065, 232885, 426130, 465770, 852260, 931540, 2002811, 4005622, 8011244, 10014055, 20028110, 40056220]

約数ペア:

[(1, 40056220), (2, 20028110), (4, 10014055), (5, 8011244), (10, 4005622), (20, 2002811), (43, 931540), (47, 852260), (86, 465770), (94, 426130), (172, 232885), (188, 213065), (215, 186308), (235, 170452), (430, 93154), (470, 85226), (860, 46577), (940, 42613), (991, 40420), (1982, 20210), (2021, 19820), (3964, 10105), (4042, 9910), (4955, 8084)]