55405720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1381}}^1$

素因数の和:1468

約数の個数: 64

約数和(自身を含む): 134330400

約数和(自身を除く): 78924680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 59, 68, 85, 118, 136, 170, 236, 295, 340, 472, 590, 680, 1003, 1180, 1381, 2006, 2360, 2762, 4012, 5015, 5524, 6905, 8024, 10030, 11048, 13810, 20060, 23477, 27620, 40120, 46954, 55240, 81479, 93908, 117385, 162958, 187816, 234770, 325916, 407395, 469540, 651832, 814790, 939080, 1385143, 1629580, 2770286, 3259160, 5540572, 6925715, 11081144, 13851430, 27702860, 55405720]

約数ペア:

[(1, 55405720), (2, 27702860), (4, 13851430), (5, 11081144), (8, 6925715), (10, 5540572), (17, 3259160), (20, 2770286), (34, 1629580), (40, 1385143), (59, 939080), (68, 814790), (85, 651832), (118, 469540), (136, 407395), (170, 325916), (236, 234770), (295, 187816), (340, 162958), (472, 117385), (590, 93908), (680, 81479), (1003, 55240), (1180, 46954), (1381, 40120), (2006, 27620), (2360, 23477), (2762, 20060), (4012, 13810), (5015, 11048), (5524, 10030), (6905, 8024)]