61189280

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4297}}^1$

素因数の和:4401

約数の個数: 48

約数和(自身を含む): 146217960

約数和(自身を除く): 85028680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 4297, 7120, 8594, 14240, 17188, 21485, 34376, 42970, 68752, 85940, 137504, 171880, 343760, 382433, 687520, 764866, 1529732, 1912165, 3059464, 3824330, 6118928, 7648660, 12237856, 15297320, 30594640, 61189280]

約数ペア:

[(1, 61189280), (2, 30594640), (4, 15297320), (5, 12237856), (8, 7648660), (10, 6118928), (16, 3824330), (20, 3059464), (32, 1912165), (40, 1529732), (80, 764866), (89, 687520), (160, 382433), (178, 343760), (356, 171880), (445, 137504), (712, 85940), (890, 68752), (1424, 42970), (1780, 34376), (2848, 21485), (3560, 17188), (4297, 14240), (7120, 8594)]