13378820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7351}}^1$

素因数の和:7380

約数の個数: 48

約数和(自身を含む): 34583808

約数和(自身を除く): 21204988

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, 7351, 14702, 29404, 36755, 51457, 73510, 95563, 102914, 147020, 191126, 205828, 257285, 382252, 477815, 514570, 668941, 955630, 1029140, 1337882, 1911260, 2675764, 3344705, 6689410, 13378820]

約数ペア:

[(1, 13378820), (2, 6689410), (4, 3344705), (5, 2675764), (7, 1911260), (10, 1337882), (13, 1029140), (14, 955630), (20, 668941), (26, 514570), (28, 477815), (35, 382252), (52, 257285), (65, 205828), (70, 191126), (91, 147020), (130, 102914), (140, 95563), (182, 73510), (260, 51457), (364, 36755), (455, 29404), (910, 14702), (1820, 7351)]