64443080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{9533}}^1$

素因数の和:9570

約数の個数: 48

約数和(自身を含む): 157024980

約数和(自身を除く): 92581900

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 9533, 19066, 38132, 47665, 76264, 95330, 123929, 190660, 247858, 381320, 495716, 619645, 991432, 1239290, 1611077, 2478580, 3222154, 4957160, 6444308, 8055385, 12888616, 16110770, 32221540, 64443080]

約数ペア:

[(1, 64443080), (2, 32221540), (4, 16110770), (5, 12888616), (8, 8055385), (10, 6444308), (13, 4957160), (20, 3222154), (26, 2478580), (40, 1611077), (52, 1239290), (65, 991432), (104, 619645), (130, 495716), (169, 381320), (260, 247858), (338, 190660), (520, 123929), (676, 95330), (845, 76264), (1352, 47665), (1690, 38132), (3380, 19066), (6760, 9533)]