131541280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{63241}}^1$

素因数の和:63269

約数の個数: 48

約数和(自身を含む): 334676664

約数和(自身を除く): 203135384

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 63241, 126482, 252964, 316205, 505928, 632410, 822133, 1011856, 1264820, 1644266, 2023712, 2529640, 3288532, 4110665, 5059280, 6577064, 8221330, 10118560, 13154128, 16442660, 26308256, 32885320, 65770640, 131541280]

約数ペア:

[(1, 131541280), (2, 65770640), (4, 32885320), (5, 26308256), (8, 16442660), (10, 13154128), (13, 10118560), (16, 8221330), (20, 6577064), (26, 5059280), (32, 4110665), (40, 3288532), (52, 2529640), (65, 2023712), (80, 1644266), (104, 1264820), (130, 1011856), (160, 822133), (208, 632410), (260, 505928), (416, 316205), (520, 252964), (1040, 126482), (2080, 63241)]