55545550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{991}}^1$

素因数の和:1081

約数の個数: 48

約数和(自身を含む): 110707200

約数和(自身を除く): 55161650

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 59, 95, 118, 190, 295, 475, 590, 950, 991, 1121, 1475, 1982, 2242, 2950, 4955, 5605, 9910, 11210, 18829, 24775, 28025, 37658, 49550, 56050, 58469, 94145, 116938, 188290, 292345, 470725, 584690, 941450, 1110911, 1461725, 2221822, 2923450, 5554555, 11109110, 27772775, 55545550]

約数ペア:

[(1, 55545550), (2, 27772775), (5, 11109110), (10, 5554555), (19, 2923450), (25, 2221822), (38, 1461725), (50, 1110911), (59, 941450), (95, 584690), (118, 470725), (190, 292345), (295, 188290), (475, 116938), (590, 94145), (950, 58469), (991, 56050), (1121, 49550), (1475, 37658), (1982, 28025), (2242, 24775), (2950, 18829), (4955, 11210), (5605, 9910)]