54938840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{11351}}^1$

素因数の和:11384

約数の個数: 48

約数和(自身を含む): 135883440

約数和(自身を除く): 80944600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 11351, 22702, 45404, 56755, 90808, 113510, 124861, 227020, 249722, 454040, 499444, 624305, 998888, 1248610, 1373471, 2497220, 2746942, 4994440, 5493884, 6867355, 10987768, 13734710, 27469420, 54938840]

約数ペア:

[(1, 54938840), (2, 27469420), (4, 13734710), (5, 10987768), (8, 6867355), (10, 5493884), (11, 4994440), (20, 2746942), (22, 2497220), (40, 1373471), (44, 1248610), (55, 998888), (88, 624305), (110, 499444), (121, 454040), (220, 249722), (242, 227020), (440, 124861), (484, 113510), (605, 90808), (968, 56755), (1210, 45404), (2420, 22702), (4840, 11351)]