64081880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{55243}}^1$

素因数の和:55283

約数の個数: 32

約数和(自身を含む): 149158800

約数和(自身を除く): 85076920

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 55243, 110486, 220972, 276215, 441944, 552430, 1104860, 1602047, 2209720, 3204094, 6408188, 8010235, 12816376, 16020470, 32040940, 64081880]

約数ペア:

[(1, 64081880), (2, 32040940), (4, 16020470), (5, 12816376), (8, 8010235), (10, 6408188), (20, 3204094), (29, 2209720), (40, 1602047), (58, 1104860), (116, 552430), (145, 441944), (232, 276215), (290, 220972), (580, 110486), (1160, 55243)]