87413017840

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1\times {\mathrm{62129}}^1$

素因数の和:62594

約数の個数: 80

約数和(自身を含む): 208473487200

約数和(自身を除く): 121060469360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 409, 430, 688, 818, 860, 1636, 1720, 2045, 3272, 3440, 4090, 6544, 8180, 16360, 17587, 32720, 35174, 62129, 70348, 87935, 124258, 140696, 175870, 248516, 281392, 310645, 351740, 497032, 621290, 703480, 994064, 1242580, 1406960, 2485160, 2671547, 4970320, 5343094, 10686188, 13357735, 21372376, 25410761, 26715470, 42744752, 50821522, 53430940, 101643044, 106861880, 127053805, 203286088, 213723760, 254107610, 406572176, 508215220, 1016430440, 1092662723, 2032860880, 2185325446, 4370650892, 5463313615, 8741301784, 10926627230, 17482603568, 21853254460, 43706508920, 87413017840]

約数ペア:

[(1, 87413017840), (2, 43706508920), (4, 21853254460), (5, 17482603568), (8, 10926627230), (10, 8741301784), (16, 5463313615), (20, 4370650892), (40, 2185325446), (43, 2032860880), (80, 1092662723), (86, 1016430440), (172, 508215220), (215, 406572176), (344, 254107610), (409, 213723760), (430, 203286088), (688, 127053805), (818, 106861880), (860, 101643044), (1636, 53430940), (1720, 50821522), (2045, 42744752), (3272, 26715470), (3440, 25410761), (4090, 21372376), (6544, 13357735), (8180, 10686188), (16360, 5343094), (17587, 4970320), (32720, 2671547), (35174, 2485160), (62129, 1406960), (70348, 1242580), (87935, 994064), (124258, 703480), (140696, 621290), (175870, 497032), (248516, 351740), (281392, 310645)]