33107420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 71916768

約数和(自身を除く): 38809348

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 137, 172, 215, 274, 281, 430, 548, 562, 685, 860, 1124, 1370, 1405, 2740, 2810, 5620, 5891, 11782, 12083, 23564, 24166, 29455, 38497, 48332, 58910, 60415, 76994, 117820, 120830, 153988, 192485, 241660, 384970, 769940, 1655371, 3310742, 6621484, 8276855, 16553710, 33107420]

約数ペア:

[(1, 33107420), (2, 16553710), (4, 8276855), (5, 6621484), (10, 3310742), (20, 1655371), (43, 769940), (86, 384970), (137, 241660), (172, 192485), (215, 153988), (274, 120830), (281, 117820), (430, 76994), (548, 60415), (562, 58910), (685, 48332), (860, 38497), (1124, 29455), (1370, 24166), (1405, 23564), (2740, 12083), (2810, 11782), (5620, 5891)]