25640981392

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3976579}}^1$

素因数の和:3976631

約数の個数: 40

約数和(自身を含む): 55226743040

約数和(自身を除く): 29585761648

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 3976579, 7953158, 15906316, 31812632, 51695527, 63625264, 103391054, 123273949, 206782108, 246547898, 413564216, 493095796, 827128432, 986191592, 1602561337, 1972383184, 3205122674, 6410245348, 12820490696, 25640981392]

約数ペア:

[(1, 25640981392), (2, 12820490696), (4, 6410245348), (8, 3205122674), (13, 1972383184), (16, 1602561337), (26, 986191592), (31, 827128432), (52, 493095796), (62, 413564216), (104, 246547898), (124, 206782108), (208, 123273949), (248, 103391054), (403, 63625264), (496, 51695527), (806, 31812632), (1612, 15906316), (3224, 7953158), (6448, 3976579)]