12565540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1559}}^1$

素因数の和:1612

約数の個数: 48

約数和(自身を含む): 29352960

約数和(自身を除く): 16787420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1559, 1612, 2015, 3118, 4030, 6236, 7795, 8060, 15590, 20267, 31180, 40534, 48329, 81068, 96658, 101335, 193316, 202670, 241645, 405340, 483290, 628277, 966580, 1256554, 2513108, 3141385, 6282770, 12565540]

約数ペア:

[(1, 12565540), (2, 6282770), (4, 3141385), (5, 2513108), (10, 1256554), (13, 966580), (20, 628277), (26, 483290), (31, 405340), (52, 241645), (62, 202670), (65, 193316), (124, 101335), (130, 96658), (155, 81068), (260, 48329), (310, 40534), (403, 31180), (620, 20267), (806, 15590), (1559, 8060), (1612, 7795), (2015, 6236), (3118, 4030)]