57212740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1117}}^1$

素因数の和:1336

約数の個数: 48

約数和(自身を含む): 130162032

約数和(自身を除く): 72949292

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 197, 260, 394, 788, 985, 1117, 1970, 2234, 2561, 3940, 4468, 5122, 5585, 10244, 11170, 12805, 14521, 22340, 25610, 29042, 51220, 58084, 72605, 145210, 220049, 290420, 440098, 880196, 1100245, 2200490, 2860637, 4400980, 5721274, 11442548, 14303185, 28606370, 57212740]

約数ペア:

[(1, 57212740), (2, 28606370), (4, 14303185), (5, 11442548), (10, 5721274), (13, 4400980), (20, 2860637), (26, 2200490), (52, 1100245), (65, 880196), (130, 440098), (197, 290420), (260, 220049), (394, 145210), (788, 72605), (985, 58084), (1117, 51220), (1970, 29042), (2234, 25610), (2561, 22340), (3940, 14521), (4468, 12805), (5122, 11170), (5585, 10244)]