16089740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 35326368

約数和(自身を除く): 19236628

約数列:

[1, 2, 4, 5, 10, 20, 43, 53, 86, 106, 172, 212, 215, 265, 353, 430, 530, 706, 860, 1060, 1412, 1765, 2279, 3530, 4558, 7060, 9116, 11395, 15179, 18709, 22790, 30358, 37418, 45580, 60716, 74836, 75895, 93545, 151790, 187090, 303580, 374180, 804487, 1608974, 3217948, 4022435, 8044870, 16089740]

約数ペア:

[(1, 16089740), (2, 8044870), (4, 4022435), (5, 3217948), (10, 1608974), (20, 804487), (43, 374180), (53, 303580), (86, 187090), (106, 151790), (172, 93545), (212, 75895), (215, 74836), (265, 60716), (353, 45580), (430, 37418), (530, 30358), (706, 22790), (860, 18709), (1060, 15179), (1412, 11395), (1765, 9116), (2279, 7060), (3530, 4558)]