28999480

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13679}}^1$

素因数の和:13743

約数の個数: 32

約数和(自身を含む): 66484800

約数和(自身を除く): 37485320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 13679, 27358, 54716, 68395, 109432, 136790, 273580, 547160, 724987, 1449974, 2899948, 3624935, 5799896, 7249870, 14499740, 28999480]

約数ペア:

[(1, 28999480), (2, 14499740), (4, 7249870), (5, 5799896), (8, 3624935), (10, 2899948), (20, 1449974), (40, 724987), (53, 547160), (106, 273580), (212, 136790), (265, 109432), (424, 68395), (530, 54716), (1060, 27358), (2120, 13679)]