2080690820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{47353}}^1$

素因数の和:47401

約数の個数: 48

約数和(自身を含む): 4733505840

約数和(自身を除く): 2652815020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 2197, 3380, 4394, 8788, 10985, 21970, 43940, 47353, 94706, 189412, 236765, 473530, 615589, 947060, 1231178, 2462356, 3077945, 6155890, 8002657, 12311780, 16005314, 32010628, 40013285, 80026570, 104034541, 160053140, 208069082, 416138164, 520172705, 1040345410, 2080690820]

約数ペア:

[(1, 2080690820), (2, 1040345410), (4, 520172705), (5, 416138164), (10, 208069082), (13, 160053140), (20, 104034541), (26, 80026570), (52, 40013285), (65, 32010628), (130, 16005314), (169, 12311780), (260, 8002657), (338, 6155890), (676, 3077945), (845, 2462356), (1690, 1231178), (2197, 947060), (3380, 615589), (4394, 473530), (8788, 236765), (10985, 189412), (21970, 94706), (43940, 47353)]