12156721940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1\times {\mathrm{1693}}^1$

素因数の和:2097

約数の個数: 96

約数和(自身を含む): 28195098624

約数和(自身を除く): 16038376684

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 127, 220, 254, 257, 508, 514, 635, 1028, 1270, 1285, 1397, 1693, 2540, 2570, 2794, 2827, 3386, 5140, 5588, 5654, 6772, 6985, 8465, 11308, 13970, 14135, 16930, 18623, 27940, 28270, 32639, 33860, 37246, 56540, 65278, 74492, 93115, 130556, 163195, 186230, 215011, 326390, 359029, 372460, 430022, 435101, 652780, 718058, 860044, 870202, 1075055, 1436116, 1740404, 1795145, 2150110, 2175505, 2365121, 3590290, 4300220, 4351010, 4730242, 4786111, 7180580, 8702020, 9460484, 9572222, 11825605, 19144444, 23651210, 23930555, 47302420, 47861110, 55257827, 95722220, 110515654, 221031308, 276289135, 552578270, 607836097, 1105156540, 1215672194, 2431344388, 3039180485, 6078360970, 12156721940]

約数ペア:

[(1, 12156721940), (2, 6078360970), (4, 3039180485), (5, 2431344388), (10, 1215672194), (11, 1105156540), (20, 607836097), (22, 552578270), (44, 276289135), (55, 221031308), (110, 110515654), (127, 95722220), (220, 55257827), (254, 47861110), (257, 47302420), (508, 23930555), (514, 23651210), (635, 19144444), (1028, 11825605), (1270, 9572222), (1285, 9460484), (1397, 8702020), (1693, 7180580), (2540, 4786111), (2570, 4730242), (2794, 4351010), (2827, 4300220), (3386, 3590290), (5140, 2365121), (5588, 2175505), (5654, 2150110), (6772, 1795145), (6985, 1740404), (8465, 1436116), (11308, 1075055), (13970, 870202), (14135, 860044), (16930, 718058), (18623, 652780), (27940, 435101), (28270, 430022), (32639, 372460), (33860, 359029), (37246, 326390), (56540, 215011), (65278, 186230), (74492, 163195), (93115, 130556)]