38891780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1103}}^1$

素因数の和:1196

約数の個数: 48

約数和(自身を含む): 85688064

約数和(自身を除く): 46796284

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 820, 860, 1103, 1763, 2206, 3526, 4412, 5515, 7052, 8815, 11030, 17630, 22060, 35260, 45223, 47429, 90446, 94858, 180892, 189716, 226115, 237145, 452230, 474290, 904460, 948580, 1944589, 3889178, 7778356, 9722945, 19445890, 38891780]

約数ペア:

[(1, 38891780), (2, 19445890), (4, 9722945), (5, 7778356), (10, 3889178), (20, 1944589), (41, 948580), (43, 904460), (82, 474290), (86, 452230), (164, 237145), (172, 226115), (205, 189716), (215, 180892), (410, 94858), (430, 90446), (820, 47429), (860, 45223), (1103, 35260), (1763, 22060), (2206, 17630), (3526, 11030), (4412, 8815), (5515, 7052)]