40281605

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{397}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 59910144

約数和(自身を除く): 19628539

約数列:

[1, 5, 7, 13, 35, 65, 91, 223, 397, 455, 1115, 1561, 1985, 2779, 2899, 5161, 7805, 13895, 14495, 20293, 25805, 36127, 88531, 101465, 180635, 442655, 619717, 1150903, 3098585, 5754515, 8056321, 40281605]

約数ペア:

[(1, 40281605), (5, 8056321), (7, 5754515), (13, 3098585), (35, 1150903), (65, 619717), (91, 442655), (223, 180635), (397, 101465), (455, 88531), (1115, 36127), (1561, 25805), (1985, 20293), (2779, 14495), (2899, 13895), (5161, 7805)]