54890680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{373}}^1$

素因数の和:680

約数の個数: 64

約数和(自身を含む): 133832160

約数和(自身を除く): 78941480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 283, 373, 520, 566, 746, 1132, 1415, 1492, 1865, 2264, 2830, 2984, 3679, 3730, 4849, 5660, 7358, 7460, 9698, 11320, 14716, 14920, 18395, 19396, 24245, 29432, 36790, 38792, 48490, 73580, 96980, 105559, 147160, 193960, 211118, 422236, 527795, 844472, 1055590, 1372267, 2111180, 2744534, 4222360, 5489068, 6861335, 10978136, 13722670, 27445340, 54890680]

約数ペア:

[(1, 54890680), (2, 27445340), (4, 13722670), (5, 10978136), (8, 6861335), (10, 5489068), (13, 4222360), (20, 2744534), (26, 2111180), (40, 1372267), (52, 1055590), (65, 844472), (104, 527795), (130, 422236), (260, 211118), (283, 193960), (373, 147160), (520, 105559), (566, 96980), (746, 73580), (1132, 48490), (1415, 38792), (1492, 36790), (1865, 29432), (2264, 24245), (2830, 19396), (2984, 18395), (3679, 14920), (3730, 14716), (4849, 11320), (5660, 9698), (7358, 7460)]