13620460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{359}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 32901120

約数和(自身を除く): 19280660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 271, 359, 542, 718, 1084, 1355, 1436, 1795, 1897, 2513, 2710, 3590, 3794, 5026, 5420, 7180, 7588, 9485, 10052, 12565, 18970, 25130, 37940, 50260, 97289, 194578, 389156, 486445, 681023, 972890, 1362046, 1945780, 2724092, 3405115, 6810230, 13620460]

約数ペア:

[(1, 13620460), (2, 6810230), (4, 3405115), (5, 2724092), (7, 1945780), (10, 1362046), (14, 972890), (20, 681023), (28, 486445), (35, 389156), (70, 194578), (140, 97289), (271, 50260), (359, 37940), (542, 25130), (718, 18970), (1084, 12565), (1355, 10052), (1436, 9485), (1795, 7588), (1897, 7180), (2513, 5420), (2710, 5026), (3590, 3794)]