66519980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{1093}}^1$

素因数の和:1298

約数の個数: 48

約数和(自身を含む): 148871520

約数和(自身を除く): 82351540

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 179, 340, 358, 716, 895, 1093, 1790, 2186, 3043, 3580, 4372, 5465, 6086, 10930, 12172, 15215, 18581, 21860, 30430, 37162, 60860, 74324, 92905, 185810, 195647, 371620, 391294, 782588, 978235, 1956470, 3325999, 3912940, 6651998, 13303996, 16629995, 33259990, 66519980]

約数ペア:

[(1, 66519980), (2, 33259990), (4, 16629995), (5, 13303996), (10, 6651998), (17, 3912940), (20, 3325999), (34, 1956470), (68, 978235), (85, 782588), (170, 391294), (179, 371620), (340, 195647), (358, 185810), (716, 92905), (895, 74324), (1093, 60860), (1790, 37162), (2186, 30430), (3043, 21860), (3580, 18581), (4372, 15215), (5465, 12172), (6086, 10930)]