25294880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12161}}^1$

素因数の和:12189

約数の個数: 48

約数和(自身を含む): 64361304

約数和(自身を除く): 39066424

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 12161, 24322, 48644, 60805, 97288, 121610, 158093, 194576, 243220, 316186, 389152, 486440, 632372, 790465, 972880, 1264744, 1580930, 1945760, 2529488, 3161860, 5058976, 6323720, 12647440, 25294880]

約数ペア:

[(1, 25294880), (2, 12647440), (4, 6323720), (5, 5058976), (8, 3161860), (10, 2529488), (13, 1945760), (16, 1580930), (20, 1264744), (26, 972880), (32, 790465), (40, 632372), (52, 486440), (65, 389152), (80, 316186), (104, 243220), (130, 194576), (160, 158093), (208, 121610), (260, 97288), (416, 60805), (520, 48644), (1040, 24322), (2080, 12161)]