63844820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{1453}}^1$

素因数の和:1501

約数の個数: 48

約数和(自身を含む): 145341840

約数和(自身を除く): 81497020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1453, 1690, 2197, 2906, 3380, 4394, 5812, 7265, 8788, 10985, 14530, 18889, 21970, 29060, 37778, 43940, 75556, 94445, 188890, 245557, 377780, 491114, 982228, 1227785, 2455570, 3192241, 4911140, 6384482, 12768964, 15961205, 31922410, 63844820]

約数ペア:

[(1, 63844820), (2, 31922410), (4, 15961205), (5, 12768964), (10, 6384482), (13, 4911140), (20, 3192241), (26, 2455570), (52, 1227785), (65, 982228), (130, 491114), (169, 377780), (260, 245557), (338, 188890), (676, 94445), (845, 75556), (1453, 43940), (1690, 37778), (2197, 29060), (2906, 21970), (3380, 18889), (4394, 14530), (5812, 10985), (7265, 8788)]