11870540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{683}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 27578880

約数和(自身を除く): 15708340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 683, 790, 869, 1366, 1580, 1738, 2732, 3415, 3476, 4345, 6830, 7513, 8690, 13660, 15026, 17380, 30052, 37565, 53957, 75130, 107914, 150260, 215828, 269785, 539570, 593527, 1079140, 1187054, 2374108, 2967635, 5935270, 11870540]

約数ペア:

[(1, 11870540), (2, 5935270), (4, 2967635), (5, 2374108), (10, 1187054), (11, 1079140), (20, 593527), (22, 539570), (44, 269785), (55, 215828), (79, 150260), (110, 107914), (158, 75130), (220, 53957), (316, 37565), (395, 30052), (683, 17380), (790, 15026), (869, 13660), (1366, 8690), (1580, 7513), (1738, 6830), (2732, 4345), (3415, 3476)]