201620780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{12941}}^1$

素因数の和:13010

約数の個数: 48

約数和(自身を含む): 456593760

約数和(自身を除く): 254972980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 7790, 12941, 15580, 25882, 51764, 64705, 129410, 245879, 258820, 491758, 530581, 983516, 1061162, 1229395, 2122324, 2458790, 2652905, 4917580, 5305810, 10081039, 10611620, 20162078, 40324156, 50405195, 100810390, 201620780]

約数ペア:

[(1, 201620780), (2, 100810390), (4, 50405195), (5, 40324156), (10, 20162078), (19, 10611620), (20, 10081039), (38, 5305810), (41, 4917580), (76, 2652905), (82, 2458790), (95, 2122324), (164, 1229395), (190, 1061162), (205, 983516), (380, 530581), (410, 491758), (779, 258820), (820, 245879), (1558, 129410), (3116, 64705), (3895, 51764), (7790, 25882), (12941, 15580)]