49649920

素因数分解:

$2^8\times 5^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:591

約数の個数: 72

約数和(自身を含む): 120677760

約数和(自身を除く): 71027840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 395, 491, 632, 640, 790, 982, 1264, 1280, 1580, 1964, 2455, 2528, 3160, 3928, 4910, 5056, 6320, 7856, 9820, 10112, 12640, 15712, 19640, 20224, 25280, 31424, 38789, 39280, 50560, 62848, 77578, 78560, 101120, 125696, 155156, 157120, 193945, 310312, 314240, 387890, 620624, 628480, 775780, 1241248, 1551560, 2482496, 3103120, 4964992, 6206240, 9929984, 12412480, 24824960, 49649920]

約数ペア:

[(1, 49649920), (2, 24824960), (4, 12412480), (5, 9929984), (8, 6206240), (10, 4964992), (16, 3103120), (20, 2482496), (32, 1551560), (40, 1241248), (64, 775780), (79, 628480), (80, 620624), (128, 387890), (158, 314240), (160, 310312), (256, 193945), (316, 157120), (320, 155156), (395, 125696), (491, 101120), (632, 78560), (640, 77578), (790, 62848), (982, 50560), (1264, 39280), (1280, 38789), (1580, 31424), (1964, 25280), (2455, 20224), (2528, 19640), (3160, 15712), (3928, 12640), (4910, 10112), (5056, 9820), (6320, 7856)]