1771004020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{50227}}^1$

素因数の和:50320

約数の個数: 48

約数和(自身を含む): 3898496448

約数和(自身を除く): 2127492428

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 820, 860, 1763, 3526, 7052, 8815, 17630, 35260, 50227, 100454, 200908, 251135, 502270, 1004540, 2059307, 2159761, 4118614, 4319522, 8237228, 8639044, 10296535, 10798805, 20593070, 21597610, 41186140, 43195220, 88550201, 177100402, 354200804, 442751005, 885502010, 1771004020]

約数ペア:

[(1, 1771004020), (2, 885502010), (4, 442751005), (5, 354200804), (10, 177100402), (20, 88550201), (41, 43195220), (43, 41186140), (82, 21597610), (86, 20593070), (164, 10798805), (172, 10296535), (205, 8639044), (215, 8237228), (410, 4319522), (430, 4118614), (820, 2159761), (860, 2059307), (1763, 1004540), (3526, 502270), (7052, 251135), (8815, 200908), (17630, 100454), (35260, 50227)]