51989960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{683}}^1$

素因数の和:878

約数の個数: 64

約数和(自身を含む): 128537280

約数和(自身を除く): 76547320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 173, 220, 346, 440, 683, 692, 865, 1366, 1384, 1730, 1903, 2732, 3415, 3460, 3806, 5464, 6830, 6920, 7513, 7612, 9515, 13660, 15026, 15224, 19030, 27320, 30052, 37565, 38060, 60104, 75130, 76120, 118159, 150260, 236318, 300520, 472636, 590795, 945272, 1181590, 1299749, 2363180, 2599498, 4726360, 5198996, 6498745, 10397992, 12997490, 25994980, 51989960]

約数ペア:

[(1, 51989960), (2, 25994980), (4, 12997490), (5, 10397992), (8, 6498745), (10, 5198996), (11, 4726360), (20, 2599498), (22, 2363180), (40, 1299749), (44, 1181590), (55, 945272), (88, 590795), (110, 472636), (173, 300520), (220, 236318), (346, 150260), (440, 118159), (683, 76120), (692, 75130), (865, 60104), (1366, 38060), (1384, 37565), (1730, 30052), (1903, 27320), (2732, 19030), (3415, 15224), (3460, 15026), (3806, 13660), (5464, 9515), (6830, 7612), (6920, 7513)]