13025120

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{641}}^1$

素因数の和:783

約数の個数: 48

約数和(自身を含む): 31062528

約数和(自身を除く): 18037408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 641, 1016, 1270, 1282, 2032, 2540, 2564, 3205, 4064, 5080, 5128, 6410, 10160, 10256, 12820, 20320, 20512, 25640, 51280, 81407, 102560, 162814, 325628, 407035, 651256, 814070, 1302512, 1628140, 2605024, 3256280, 6512560, 13025120]

約数ペア:

[(1, 13025120), (2, 6512560), (4, 3256280), (5, 2605024), (8, 1628140), (10, 1302512), (16, 814070), (20, 651256), (32, 407035), (40, 325628), (80, 162814), (127, 102560), (160, 81407), (254, 51280), (508, 25640), (635, 20512), (641, 20320), (1016, 12820), (1270, 10256), (1282, 10160), (2032, 6410), (2540, 5128), (2564, 5080), (3205, 4064)]