131486240

素因数分解:

$2^5\times 5^1\times {\mathrm{179}}^1\times {\mathrm{4591}}^1$

素因数の和:4785

約数の個数: 48

約数和(自身を含む): 312439680

約数和(自身を除く): 180953440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 179, 358, 716, 895, 1432, 1790, 2864, 3580, 4591, 5728, 7160, 9182, 14320, 18364, 22955, 28640, 36728, 45910, 73456, 91820, 146912, 183640, 367280, 734560, 821789, 1643578, 3287156, 4108945, 6574312, 8217890, 13148624, 16435780, 26297248, 32871560, 65743120, 131486240]

約数ペア:

[(1, 131486240), (2, 65743120), (4, 32871560), (5, 26297248), (8, 16435780), (10, 13148624), (16, 8217890), (20, 6574312), (32, 4108945), (40, 3287156), (80, 1643578), (160, 821789), (179, 734560), (358, 367280), (716, 183640), (895, 146912), (1432, 91820), (1790, 73456), (2864, 45910), (3580, 36728), (4591, 28640), (5728, 22955), (7160, 18364), (9182, 14320)]