40027120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{10211}}^1$

素因数の和:10238

約数の個数: 60

約数和(自身を含む): 108267624

約数和(自身を除く): 68240504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 10211, 20422, 40844, 51055, 71477, 81688, 102110, 142954, 163376, 204220, 285908, 357385, 408440, 500339, 571816, 714770, 816880, 1000678, 1143632, 1429540, 2001356, 2501695, 2859080, 4002712, 5003390, 5718160, 8005424, 10006780, 20013560, 40027120]

約数ペア:

[(1, 40027120), (2, 20013560), (4, 10006780), (5, 8005424), (7, 5718160), (8, 5003390), (10, 4002712), (14, 2859080), (16, 2501695), (20, 2001356), (28, 1429540), (35, 1143632), (40, 1000678), (49, 816880), (56, 714770), (70, 571816), (80, 500339), (98, 408440), (112, 357385), (140, 285908), (196, 204220), (245, 163376), (280, 142954), (392, 102110), (490, 81688), (560, 71477), (784, 51055), (980, 40844), (1960, 20422), (3920, 10211)]