65770640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{63241}}^1$

素因数の和:63267

約数の個数: 40

約数和(自身を含む): 164682168

約数和(自身を除く): 98911528

約数列:

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

約数ペア:

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