78525760

素因数分解:

$2^6\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1163}}^1$

素因数の和:1391

約数の個数: 56

約数和(自身を含む): 188037216

約数和(自身を除く): 109511456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 211, 320, 422, 844, 1055, 1163, 1688, 2110, 2326, 3376, 4220, 4652, 5815, 6752, 8440, 9304, 11630, 13504, 16880, 18608, 23260, 33760, 37216, 46520, 67520, 74432, 93040, 186080, 245393, 372160, 490786, 981572, 1226965, 1963144, 2453930, 3926288, 4907860, 7852576, 9815720, 15705152, 19631440, 39262880, 78525760]

約数ペア:

[(1, 78525760), (2, 39262880), (4, 19631440), (5, 15705152), (8, 9815720), (10, 7852576), (16, 4907860), (20, 3926288), (32, 2453930), (40, 1963144), (64, 1226965), (80, 981572), (160, 490786), (211, 372160), (320, 245393), (422, 186080), (844, 93040), (1055, 74432), (1163, 67520), (1688, 46520), (2110, 37216), (2326, 33760), (3376, 23260), (4220, 18608), (4652, 16880), (5815, 13504), (6752, 11630), (8440, 9304)]