16290820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8951}}^1$

素因数の和:8980

約数の個数: 48

約数和(自身を含む): 42110208

約数和(自身を除く): 25819388

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, 8951, 17902, 35804, 44755, 62657, 89510, 116363, 125314, 179020, 232726, 250628, 313285, 465452, 581815, 626570, 814541, 1163630, 1253140, 1629082, 2327260, 3258164, 4072705, 8145410, 16290820]

約数ペア:

[(1, 16290820), (2, 8145410), (4, 4072705), (5, 3258164), (7, 2327260), (10, 1629082), (13, 1253140), (14, 1163630), (20, 814541), (26, 626570), (28, 581815), (35, 465452), (52, 313285), (65, 250628), (70, 232726), (91, 179020), (130, 125314), (140, 116363), (182, 89510), (260, 62657), (364, 44755), (455, 35804), (910, 17902), (1820, 8951)]