130891280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{991}}^1$

素因数の和:1144

約数の個数: 80

約数和(自身を含む): 330645504

約数和(自身を除く): 199754224

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 127, 130, 208, 254, 260, 508, 520, 635, 991, 1016, 1040, 1270, 1651, 1982, 2032, 2540, 3302, 3964, 4955, 5080, 6604, 7928, 8255, 9910, 10160, 12883, 13208, 15856, 16510, 19820, 25766, 26416, 33020, 39640, 51532, 64415, 66040, 79280, 103064, 125857, 128830, 132080, 206128, 251714, 257660, 503428, 515320, 629285, 1006856, 1030640, 1258570, 1636141, 2013712, 2517140, 3272282, 5034280, 6544564, 8180705, 10068560, 13089128, 16361410, 26178256, 32722820, 65445640, 130891280]

約数ペア:

[(1, 130891280), (2, 65445640), (4, 32722820), (5, 26178256), (8, 16361410), (10, 13089128), (13, 10068560), (16, 8180705), (20, 6544564), (26, 5034280), (40, 3272282), (52, 2517140), (65, 2013712), (80, 1636141), (104, 1258570), (127, 1030640), (130, 1006856), (208, 629285), (254, 515320), (260, 503428), (508, 257660), (520, 251714), (635, 206128), (991, 132080), (1016, 128830), (1040, 125857), (1270, 103064), (1651, 79280), (1982, 66040), (2032, 64415), (2540, 51532), (3302, 39640), (3964, 33020), (4955, 26416), (5080, 25766), (6604, 19820), (7928, 16510), (8255, 15856), (9910, 13208), (10160, 12883)]