25414480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3491}}^1$

素因数の和:3524

約数の個数: 80

約数和(自身を含む): 72745344

約数和(自身を除く): 47330864

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3491, 3640, 6982, 7280, 13964, 17455, 24437, 27928, 34910, 45383, 48874, 55856, 69820, 90766, 97748, 122185, 139640, 181532, 195496, 226915, 244370, 279280, 317681, 363064, 390992, 453830, 488740, 635362, 726128, 907660, 977480, 1270724, 1588405, 1815320, 1954960, 2541448, 3176810, 3630640, 5082896, 6353620, 12707240, 25414480]

約数ペア:

[(1, 25414480), (2, 12707240), (4, 6353620), (5, 5082896), (7, 3630640), (8, 3176810), (10, 2541448), (13, 1954960), (14, 1815320), (16, 1588405), (20, 1270724), (26, 977480), (28, 907660), (35, 726128), (40, 635362), (52, 488740), (56, 453830), (65, 390992), (70, 363064), (80, 317681), (91, 279280), (104, 244370), (112, 226915), (130, 195496), (140, 181532), (182, 139640), (208, 122185), (260, 97748), (280, 90766), (364, 69820), (455, 55856), (520, 48874), (560, 45383), (728, 34910), (910, 27928), (1040, 24437), (1456, 17455), (1820, 13964), (3491, 7280), (3640, 6982)]