13008520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{6637}}^1$

素因数の和:6662

約数の個数: 48

約数和(自身を含む): 34052940

約数和(自身を除く): 21044420

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 6637, 13274, 26548, 33185, 46459, 53096, 66370, 92918, 132740, 185836, 232295, 265480, 325213, 371672, 464590, 650426, 929180, 1300852, 1626065, 1858360, 2601704, 3252130, 6504260, 13008520]

約数ペア:

[(1, 13008520), (2, 6504260), (4, 3252130), (5, 2601704), (7, 1858360), (8, 1626065), (10, 1300852), (14, 929180), (20, 650426), (28, 464590), (35, 371672), (40, 325213), (49, 265480), (56, 232295), (70, 185836), (98, 132740), (140, 92918), (196, 66370), (245, 53096), (280, 46459), (392, 33185), (490, 26548), (980, 13274), (1960, 6637)]