40657160

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{7759}}^1$

素因数の和:7901

約数の個数: 32

約数和(自身を含む): 92188800

約数和(自身を除く): 51531640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 7759, 15518, 31036, 38795, 62072, 77590, 155180, 310360, 1016429, 2032858, 4065716, 5082145, 8131432, 10164290, 20328580, 40657160]

約数ペア:

[(1, 40657160), (2, 20328580), (4, 10164290), (5, 8131432), (8, 5082145), (10, 4065716), (20, 2032858), (40, 1016429), (131, 310360), (262, 155180), (524, 77590), (655, 62072), (1048, 38795), (1310, 31036), (2620, 15518), (5240, 7759)]