16530380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1061}}^1$

素因数の和:1130

約数の個数: 48

約数和(自身を含む): 37467360

約数和(自身を除く): 20936980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1061, 1558, 2122, 3116, 3895, 4244, 5305, 7790, 10610, 15580, 20159, 21220, 40318, 43501, 80636, 87002, 100795, 174004, 201590, 217505, 403180, 435010, 826519, 870020, 1653038, 3306076, 4132595, 8265190, 16530380]

約数ペア:

[(1, 16530380), (2, 8265190), (4, 4132595), (5, 3306076), (10, 1653038), (19, 870020), (20, 826519), (38, 435010), (41, 403180), (76, 217505), (82, 201590), (95, 174004), (164, 100795), (190, 87002), (205, 80636), (380, 43501), (410, 40318), (779, 21220), (820, 20159), (1061, 15580), (1558, 10610), (2122, 7790), (3116, 5305), (3895, 4244)]