64562810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{2521}}^1$

素因数の和:2738

約数の個数: 32

約数和(自身を含む): 125837712

約数和(自身を除く): 61274902

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 197, 394, 985, 1970, 2521, 2561, 5042, 5122, 12605, 12805, 25210, 25610, 32773, 65546, 163865, 327730, 496637, 993274, 2483185, 4966370, 6456281, 12912562, 32281405, 64562810]

約数ペア:

[(1, 64562810), (2, 32281405), (5, 12912562), (10, 6456281), (13, 4966370), (26, 2483185), (65, 993274), (130, 496637), (197, 327730), (394, 163865), (985, 65546), (1970, 32773), (2521, 25610), (2561, 25210), (5042, 12805), (5122, 12605)]