55128920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2557}}^1$

素因数の和:2593

約数の個数: 96

約数和(自身を含む): 157470480

約数和(自身を除く): 102341560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 616, 770, 980, 1078, 1540, 1960, 2156, 2557, 2695, 3080, 4312, 5114, 5390, 10228, 10780, 12785, 17899, 20456, 21560, 25570, 28127, 35798, 51140, 56254, 71596, 89495, 102280, 112508, 125293, 140635, 143192, 178990, 196889, 225016, 250586, 281270, 357980, 393778, 501172, 562540, 626465, 715960, 787556, 984445, 1002344, 1125080, 1252930, 1378223, 1575112, 1968890, 2505860, 2756446, 3937780, 5011720, 5512892, 6891115, 7875560, 11025784, 13782230, 27564460, 55128920]

約数ペア:

[(1, 55128920), (2, 27564460), (4, 13782230), (5, 11025784), (7, 7875560), (8, 6891115), (10, 5512892), (11, 5011720), (14, 3937780), (20, 2756446), (22, 2505860), (28, 1968890), (35, 1575112), (40, 1378223), (44, 1252930), (49, 1125080), (55, 1002344), (56, 984445), (70, 787556), (77, 715960), (88, 626465), (98, 562540), (110, 501172), (140, 393778), (154, 357980), (196, 281270), (220, 250586), (245, 225016), (280, 196889), (308, 178990), (385, 143192), (392, 140635), (440, 125293), (490, 112508), (539, 102280), (616, 89495), (770, 71596), (980, 56254), (1078, 51140), (1540, 35798), (1960, 28127), (2156, 25570), (2557, 21560), (2695, 20456), (3080, 17899), (4312, 12785), (5114, 10780), (5390, 10228)]