28703740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2083}}^1$

素因数の和:2158

約数の個数: 48

約数和(自身を含む): 66171168

約数和(自身を除く): 37467428

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2083, 2756, 3445, 4166, 6890, 8332, 10415, 13780, 20830, 27079, 41660, 54158, 108316, 110399, 135395, 220798, 270790, 441596, 541580, 551995, 1103990, 1435187, 2207980, 2870374, 5740748, 7175935, 14351870, 28703740]

約数ペア:

[(1, 28703740), (2, 14351870), (4, 7175935), (5, 5740748), (10, 2870374), (13, 2207980), (20, 1435187), (26, 1103990), (52, 551995), (53, 541580), (65, 441596), (106, 270790), (130, 220798), (212, 135395), (260, 110399), (265, 108316), (530, 54158), (689, 41660), (1060, 27079), (1378, 20830), (2083, 13780), (2756, 10415), (3445, 8332), (4166, 6890)]