40527790

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:205

約数の個数: 48

約数和(自身を含む): 77762880

約数和(自身を除く): 37235090

約数列:

[1, 2, 5, 10, 29, 58, 61, 79, 122, 145, 158, 290, 305, 395, 610, 790, 841, 1682, 1769, 2291, 3538, 4205, 4582, 4819, 8410, 8845, 9638, 11455, 17690, 22910, 24095, 48190, 51301, 66439, 102602, 132878, 139751, 256505, 279502, 332195, 513010, 664390, 698755, 1397510, 4052779, 8105558, 20263895, 40527790]

約数ペア:

[(1, 40527790), (2, 20263895), (5, 8105558), (10, 4052779), (29, 1397510), (58, 698755), (61, 664390), (79, 513010), (122, 332195), (145, 279502), (158, 256505), (290, 139751), (305, 132878), (395, 102602), (610, 66439), (790, 51301), (841, 48190), (1682, 24095), (1769, 22910), (2291, 17690), (3538, 11455), (4205, 9638), (4582, 8845), (4819, 8410)]