40785745

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 68221440

約数和(自身を除く): 27435695

約数列:

[1, 5, 7, 11, 13, 29, 35, 55, 65, 77, 91, 143, 145, 203, 281, 319, 377, 385, 455, 715, 1001, 1015, 1405, 1595, 1885, 1967, 2233, 2639, 3091, 3653, 4147, 5005, 8149, 9835, 11165, 13195, 15455, 18265, 20735, 21637, 25571, 29029, 40183, 40745, 57043, 89639, 105937, 108185, 127855, 145145, 200915, 281281, 285215, 448195, 529685, 627473, 741559, 1165307, 1406405, 3137365, 3707795, 5826535, 8157149, 40785745]

約数ペア:

[(1, 40785745), (5, 8157149), (7, 5826535), (11, 3707795), (13, 3137365), (29, 1406405), (35, 1165307), (55, 741559), (65, 627473), (77, 529685), (91, 448195), (143, 285215), (145, 281281), (203, 200915), (281, 145145), (319, 127855), (377, 108185), (385, 105937), (455, 89639), (715, 57043), (1001, 40745), (1015, 40183), (1405, 29029), (1595, 25571), (1885, 21637), (1967, 20735), (2233, 18265), (2639, 15455), (3091, 13195), (3653, 11165), (4147, 9835), (5005, 8149)]