40620385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1061}}^1$

素因数の和:1129

約数の個数: 32

約数和(自身を含む): 57093120

約数和(自身を除く): 16472735

約数列:

[1, 5, 13, 19, 31, 65, 95, 155, 247, 403, 589, 1061, 1235, 2015, 2945, 5305, 7657, 13793, 20159, 32891, 38285, 68965, 100795, 164455, 262067, 427583, 624929, 1310335, 2137915, 3124645, 8124077, 40620385]

約数ペア:

[(1, 40620385), (5, 8124077), (13, 3124645), (19, 2137915), (31, 1310335), (65, 624929), (95, 427583), (155, 262067), (247, 164455), (403, 100795), (589, 68965), (1061, 38285), (1235, 32891), (2015, 20159), (2945, 13793), (5305, 7657)]