68747380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3347}}^1$

素因数の和:3448

約数の個数: 48

約数和(自身を含む): 157489920

約数和(自身を除く): 88742540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 3347, 4108, 5135, 6694, 10270, 13388, 16735, 20540, 33470, 43511, 66940, 87022, 174044, 217555, 264413, 435110, 528826, 870220, 1057652, 1322065, 2644130, 3437369, 5288260, 6874738, 13749476, 17186845, 34373690, 68747380]

約数ペア:

[(1, 68747380), (2, 34373690), (4, 17186845), (5, 13749476), (10, 6874738), (13, 5288260), (20, 3437369), (26, 2644130), (52, 1322065), (65, 1057652), (79, 870220), (130, 528826), (158, 435110), (260, 264413), (316, 217555), (395, 174044), (790, 87022), (1027, 66940), (1580, 43511), (2054, 33470), (3347, 20540), (4108, 16735), (5135, 13388), (6694, 10270)]