28162160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2083}}^1$

素因数の和:2122

約数の個数: 60

約数和(自身を含む): 70935192

約数和(自身を除く): 42773032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2083, 2704, 3380, 4166, 6760, 8332, 10415, 13520, 16664, 20830, 27079, 33328, 41660, 54158, 83320, 108316, 135395, 166640, 216632, 270790, 352027, 433264, 541580, 704054, 1083160, 1408108, 1760135, 2166320, 2816216, 3520270, 5632432, 7040540, 14081080, 28162160]

約数ペア:

[(1, 28162160), (2, 14081080), (4, 7040540), (5, 5632432), (8, 3520270), (10, 2816216), (13, 2166320), (16, 1760135), (20, 1408108), (26, 1083160), (40, 704054), (52, 541580), (65, 433264), (80, 352027), (104, 270790), (130, 216632), (169, 166640), (208, 135395), (260, 108316), (338, 83320), (520, 54158), (676, 41660), (845, 33328), (1040, 27079), (1352, 20830), (1690, 16664), (2083, 13520), (2704, 10415), (3380, 8332), (4166, 6760)]