38843620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 88083072

約数和(自身を除く): 49239452

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 47, 62, 86, 94, 124, 155, 172, 188, 215, 235, 310, 430, 470, 620, 860, 940, 961, 1333, 1457, 1922, 2021, 2666, 2914, 3844, 4042, 4805, 5332, 5828, 6665, 7285, 8084, 9610, 10105, 13330, 14570, 19220, 20210, 26660, 29140, 40420, 41323, 45167, 62651, 82646, 90334, 125302, 165292, 180668, 206615, 225835, 250604, 313255, 413230, 451670, 626510, 826460, 903340, 1253020, 1942181, 3884362, 7768724, 9710905, 19421810, 38843620]

約数ペア:

[(1, 38843620), (2, 19421810), (4, 9710905), (5, 7768724), (10, 3884362), (20, 1942181), (31, 1253020), (43, 903340), (47, 826460), (62, 626510), (86, 451670), (94, 413230), (124, 313255), (155, 250604), (172, 225835), (188, 206615), (215, 180668), (235, 165292), (310, 125302), (430, 90334), (470, 82646), (620, 62651), (860, 45167), (940, 41323), (961, 40420), (1333, 29140), (1457, 26660), (1922, 20210), (2021, 19220), (2666, 14570), (2914, 13330), (3844, 10105), (4042, 9610), (4805, 8084), (5332, 7285), (5828, 6665)]