16479980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{433}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 38060064

約数和(自身を除く): 21580084

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 173, 220, 346, 433, 692, 865, 866, 1730, 1732, 1903, 2165, 3460, 3806, 4330, 4763, 7612, 8660, 9515, 9526, 19030, 19052, 23815, 38060, 47630, 74909, 95260, 149818, 299636, 374545, 749090, 823999, 1498180, 1647998, 3295996, 4119995, 8239990, 16479980]

約数ペア:

[(1, 16479980), (2, 8239990), (4, 4119995), (5, 3295996), (10, 1647998), (11, 1498180), (20, 823999), (22, 749090), (44, 374545), (55, 299636), (110, 149818), (173, 95260), (220, 74909), (346, 47630), (433, 38060), (692, 23815), (865, 19052), (866, 19030), (1730, 9526), (1732, 9515), (1903, 8660), (2165, 7612), (3460, 4763), (3806, 4330)]