13373140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{683}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 31026240

約数和(自身を除く): 17653100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 683, 890, 979, 1366, 1780, 1958, 2732, 3415, 3916, 4895, 6830, 7513, 9790, 13660, 15026, 19580, 30052, 37565, 60787, 75130, 121574, 150260, 243148, 303935, 607870, 668657, 1215740, 1337314, 2674628, 3343285, 6686570, 13373140]

約数ペア:

[(1, 13373140), (2, 6686570), (4, 3343285), (5, 2674628), (10, 1337314), (11, 1215740), (20, 668657), (22, 607870), (44, 303935), (55, 243148), (89, 150260), (110, 121574), (178, 75130), (220, 60787), (356, 37565), (445, 30052), (683, 19580), (890, 15026), (979, 13660), (1366, 9790), (1780, 7513), (1958, 6830), (2732, 4895), (3415, 3916)]