201303880

素因数分解:

$2^3\times 5^1\times {\mathrm{1979}}^1\times {\mathrm{2543}}^1$

素因数の和:4533

約数の個数: 32

約数和(自身を含む): 453340800

約数和(自身を除く): 252036920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1979, 2543, 3958, 5086, 7916, 9895, 10172, 12715, 15832, 19790, 20344, 25430, 39580, 50860, 79160, 101720, 5032597, 10065194, 20130388, 25162985, 40260776, 50325970, 100651940, 201303880]

約数ペア:

[(1, 201303880), (2, 100651940), (4, 50325970), (5, 40260776), (8, 25162985), (10, 20130388), (20, 10065194), (40, 5032597), (1979, 101720), (2543, 79160), (3958, 50860), (5086, 39580), (7916, 25430), (9895, 20344), (10172, 19790), (12715, 15832)]