66801670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 138692736

約数和(自身を除く): 71891066

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 167, 170, 181, 221, 334, 362, 442, 835, 905, 1105, 1670, 1810, 2171, 2210, 2353, 2839, 3077, 4342, 4706, 5678, 6154, 10855, 11765, 14195, 15385, 21710, 23530, 28390, 30227, 30770, 36907, 40001, 60454, 73814, 80002, 151135, 184535, 200005, 302270, 369070, 392951, 400010, 513859, 785902, 1027718, 1964755, 2569295, 3929510, 5138590, 6680167, 13360334, 33400835, 66801670]

約数ペア:

[(1, 66801670), (2, 33400835), (5, 13360334), (10, 6680167), (13, 5138590), (17, 3929510), (26, 2569295), (34, 1964755), (65, 1027718), (85, 785902), (130, 513859), (167, 400010), (170, 392951), (181, 369070), (221, 302270), (334, 200005), (362, 184535), (442, 151135), (835, 80002), (905, 73814), (1105, 60454), (1670, 40001), (1810, 36907), (2171, 30770), (2210, 30227), (2353, 28390), (2839, 23530), (3077, 21710), (4342, 15385), (4706, 14195), (5678, 11765), (6154, 10855)]