55981280

素因数分解:

$2^5\times 5^1\times {\mathrm{439}}^1\times {\mathrm{797}}^1$

素因数の和:1251

約数の個数: 48

約数和(自身を含む): 132723360

約数和(自身を除く): 76742080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 439, 797, 878, 1594, 1756, 2195, 3188, 3512, 3985, 4390, 6376, 7024, 7970, 8780, 12752, 14048, 15940, 17560, 25504, 31880, 35120, 63760, 70240, 127520, 349883, 699766, 1399532, 1749415, 2799064, 3498830, 5598128, 6997660, 11196256, 13995320, 27990640, 55981280]

約数ペア:

[(1, 55981280), (2, 27990640), (4, 13995320), (5, 11196256), (8, 6997660), (10, 5598128), (16, 3498830), (20, 2799064), (32, 1749415), (40, 1399532), (80, 699766), (160, 349883), (439, 127520), (797, 70240), (878, 63760), (1594, 35120), (1756, 31880), (2195, 25504), (3188, 17560), (3512, 15940), (3985, 14048), (4390, 12752), (6376, 8780), (7024, 7970)]