40507490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139681}}^1$

素因数の和:139717

約数の個数: 16

約数和(自身を含む): 75428280

約数和(自身を除く): 34920790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 139681, 279362, 698405, 1396810, 4050749, 8101498, 20253745, 40507490]

約数ペア:

[(1, 40507490), (2, 20253745), (5, 8101498), (10, 4050749), (29, 1396810), (58, 698405), (145, 279362), (290, 139681)]