11861980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1061}}^1$

素因数の和:1126

約数の個数: 48

約数和(自身を含む): 27476064

約数和(自身を除く): 15614084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1061, 1118, 2122, 2236, 2795, 4244, 5305, 5590, 10610, 11180, 13793, 21220, 27586, 45623, 55172, 68965, 91246, 137930, 182492, 228115, 275860, 456230, 593099, 912460, 1186198, 2372396, 2965495, 5930990, 11861980]

約数ペア:

[(1, 11861980), (2, 5930990), (4, 2965495), (5, 2372396), (10, 1186198), (13, 912460), (20, 593099), (26, 456230), (43, 275860), (52, 228115), (65, 182492), (86, 137930), (130, 91246), (172, 68965), (215, 55172), (260, 45623), (430, 27586), (559, 21220), (860, 13793), (1061, 11180), (1118, 10610), (2122, 5590), (2236, 5305), (2795, 4244)]