55784080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{63391}}^1$

素因数の和:63415

約数の個数: 40

約数和(自身を含む): 141490944

約数和(自身を除く): 85706864

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 63391, 126782, 253564, 316955, 507128, 633910, 697301, 1014256, 1267820, 1394602, 2535640, 2789204, 3486505, 5071280, 5578408, 6973010, 11156816, 13946020, 27892040, 55784080]

約数ペア:

[(1, 55784080), (2, 27892040), (4, 13946020), (5, 11156816), (8, 6973010), (10, 5578408), (11, 5071280), (16, 3486505), (20, 2789204), (22, 2535640), (40, 1394602), (44, 1267820), (55, 1014256), (80, 697301), (88, 633910), (110, 507128), (176, 316955), (220, 253564), (440, 126782), (880, 63391)]