87685780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{48179}}^1$

素因数の和:48208

約数の個数: 48

約数和(自身を含む): 226638720

約数和(自身を除く): 138952940

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 48179, 96358, 192716, 240895, 337253, 481790, 626327, 674506, 963580, 1252654, 1349012, 1686265, 2505308, 3131635, 3372530, 4384289, 6263270, 6745060, 8768578, 12526540, 17537156, 21921445, 43842890, 87685780]

約数ペア:

[(1, 87685780), (2, 43842890), (4, 21921445), (5, 17537156), (7, 12526540), (10, 8768578), (13, 6745060), (14, 6263270), (20, 4384289), (26, 3372530), (28, 3131635), (35, 2505308), (52, 1686265), (65, 1349012), (70, 1252654), (91, 963580), (130, 674506), (140, 626327), (182, 481790), (260, 337253), (364, 240895), (455, 192716), (910, 96358), (1820, 48179)]