51238660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{683}}^1$

素因数の和:745

約数の個数: 72

約数和(自身を含む): 122266368

約数和(自身を除く): 71027708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 121, 124, 155, 220, 242, 310, 341, 484, 605, 620, 682, 683, 1210, 1364, 1366, 1705, 2420, 2732, 3410, 3415, 3751, 6820, 6830, 7502, 7513, 13660, 15004, 15026, 18755, 21173, 30052, 37510, 37565, 42346, 75020, 75130, 82643, 84692, 105865, 150260, 165286, 211730, 232903, 330572, 413215, 423460, 465806, 826430, 931612, 1164515, 1652860, 2329030, 2561933, 4658060, 5123866, 10247732, 12809665, 25619330, 51238660]

約数ペア:

[(1, 51238660), (2, 25619330), (4, 12809665), (5, 10247732), (10, 5123866), (11, 4658060), (20, 2561933), (22, 2329030), (31, 1652860), (44, 1164515), (55, 931612), (62, 826430), (110, 465806), (121, 423460), (124, 413215), (155, 330572), (220, 232903), (242, 211730), (310, 165286), (341, 150260), (484, 105865), (605, 84692), (620, 82643), (682, 75130), (683, 75020), (1210, 42346), (1364, 37565), (1366, 37510), (1705, 30052), (2420, 21173), (2732, 18755), (3410, 15026), (3415, 15004), (3751, 13660), (6820, 7513), (6830, 7502)]