66190540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19583}}^1$

素因数の和:19618

約数の個数: 36

約数和(自身を含む): 150522624

約数和(自身を除く): 84332084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 19583, 39166, 78332, 97915, 195830, 254579, 391660, 509158, 1018316, 1272895, 2545790, 3309527, 5091580, 6619054, 13238108, 16547635, 33095270, 66190540]

約数ペア:

[(1, 66190540), (2, 33095270), (4, 16547635), (5, 13238108), (10, 6619054), (13, 5091580), (20, 3309527), (26, 2545790), (52, 1272895), (65, 1018316), (130, 509158), (169, 391660), (260, 254579), (338, 195830), (676, 97915), (845, 78332), (1690, 39166), (3380, 19583)]